You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: I am Gary Martinez. I am planning to visit Seattle from DCA to SEA. Can you find a flight ticket for me?

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

USER: Ok, my planned trip dates are on 02/26 and back on 02/28.

ASSISTANT: Ok, wait a moment please.

USER: Sure.

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

USER: Yes, you can proceed with the booking.

ASSISTANT: Your ticket has been booked with flight number 1022.

USER: Thank you for your service.

ASSISTANT: Thank you for approaching us.