You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: I am Timothy Martin. I want to book a flight ticket from DCA to PHL. Could you help me in booking?

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

USER: My travelling dates are from 01/14 to 01/16.

ASSISTANT: Ok, wait a moment please.

USER: Ok.

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

USER: Yes, please proceed.

ASSISTANT: Your ticket has been booked with flight number 1027.

USER: Thank you for helping me.

ASSISTANT: Thank you for approaching us.