You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I be your helping hand?

USER: To have a participation in the fun event, I would like to book a ticket from Detroit, MI-DTW.

ASSISTANT: Ok.

USER: Please help me in ticket booking with the name of Andrew Scott.

ASSISTANT: Sure, What is your destination code?

USER: Destination code: IAD.

ASSISTANT: Please mention your travelling dates to move further.

USER: My traveling dates are from 03/07 to 03/09.

ASSISTANT: Please hold on, I will let you know the flight details.

USER: Sure.

ASSISTANT: Thanks for waiting, Frontier airline flight with single connection and price 100 was available. Shall I proceed?

USER: Ok.

ASSISTANT: Your ticket has been reserved.

USER: Thank you for availing me.

ASSISTANT: Thank you for approaching us.