You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: Myself Dorothy Thomas. I need to schedule my trip to visit Austin. Can you please help me in reserving the ticket from IAD to AUS?

ASSISTANT: Sure, can I know the travel dates please?

USER: I am planning my trip on Apr 1, and again I will return back on Apr 3.

ASSISTANT: Could you please provide the departure and return time?

USER: My return time is afternoon.

ASSISTANT: Do you have any requirements?

USER: I am flexible with single connection.

ASSISTANT: There is a connecting flight in Frontier airline with price 100, can I book it?

USER: Sure, please go ahead and reserve the ticket.

ASSISTANT: Your ticket has been booked with flight number 1002.

USER: Thank you very much for reserving the ticket.

ASSISTANT: Thank you for approaching us.

USER: You are welcome.