You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: Can you please help me to search a flight from DC-IAD to GA-ATL?

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

USER: The travel dates are 07/31 to 08/02.

ASSISTANT: May I know your name please?

USER: Sure, my name is David Allen.

ASSISTANT: There is a flight in Delta airline with price 200, can I book it?

USER: Yes, proceed with my booking.

ASSISTANT: Your booking is done.

USER: Thank you for your help.

ASSISTANT: You are welcome.