Write a complete bash script to print a train travel ticket.

$($YOU MUST INCLUDE THE SCRIPT FILE $(.$sh file$)$ IN THE ZIP$)$

Here are the criteria......

a$.$ The script MUST CONTINUE in a loop until user decides to stop. User stops the ticket printing by entering $0.$

b$.$ A city offers $2$ types of train services to $3$ different destinations. The chart below shows the options.

The code names used for these destinations are $AB,AC$ and $AD.$ Code names used for the two services are $E$ for

Express and $S$ for standard.

c$.$ User enters the destination $(AB,AC$ or $AD),$ service $(E$ or $S)$ and the number of people traveling.

Based on the information user entered, a ticket is printed $($Just one ticket, no matter how many people traveling

in the group$)$

PS: If the user enters unknown options, show error messages $($Look at the screen dump below$)$

d$.$ Script must run a menu as follows:

New City Transit Authority $-$ Print Your Travel Ticket

Enter Destination $($AB$,AC$ or $AD\mathrm{.}0$ to quit$)$:

Service Type $($E or S$)$:

Enter number of travelers:

Script must produce the calculated result as shown in screen dumps below:

New City Transit Authority $-$ Print Your Travel Ticket

Enter Destination $(AB,AC$ or $AD.0$ to quit$)$: $AC$

Service Type $(E$ or $S)$: $5$

Enter number of travelers: $4$

New City Transit Authority $-$ Print Your Travel Ticket

Destination : $AC$

Service Type : $5$

Number of travelers : $4$

Ticket Price $4$ a$\mathrm{.}50$: $$38\mathrm{.}00$

New City Transit Authority $-$ Print Your Travel Ticket

Enter Destination $(AB,AC$ or $AD.0$ to quit$)$: $AD$

Service Type $(E$ or $S)$: $E$

Enter number of travelers: $0$

Sorry, number of travelers must be $1$ or more!

New City Transit Authority $-$ Print Your Travel Ticket

Enter Destination $($AB$,AC$ or $AD,0$ to quit$)$: $AP$

Service Type $(E$ or $S)$: $E$

Enter number of travelers: $2$

Sorry unknown Destination!

New City Transit Authority $-$ Print Your Travel Ticket

Enter Destination $(AB,AC$ or $AD.0$ to quit$)$: $AC$

Service Type $(E$ or $S)$: D

Enter number of travelers: $1$

Sorry unknown Service Type!

New City Transit Authority $-$ Print Your Travel Ticket

Enter Destination $($AB$,AC$ or $AD.0$ to quit$)$: $0$

Service Type $(E$ or $S)$: $E$

Enter number of travelers: $2$

Important!! Print Your Name

User entered correct values

User entered $0$ for

Destination. Quit the

application