You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I support you?

USER: I am planning to book a ticket from BOS to IAD. Can you please help me out?

ASSISTANT: Sure, to book a ticket may I know your travelling dates?

USER: I am planning to travel on Sept 24 and return back Sept 26.

ASSISTANT: Is there any other requirements, please let me know?

USER: My return time should be afternoon.

ASSISTANT: Can you please share me your name?

USER: My name is Davis Harris.

ASSISTANT: We found a flight with an Frontier airline of flight 1007 in an economy class with lay by. Shall I proceed?

USER: That's fine, please proceed the booking.

ASSISTANT: Your flight ticket has been confirmed.

USER: Thank you for your service.

ASSISTANT: Thank you.