You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you at this moment?

USER: Can you please help me in ticket booking from PHX to DCA?

ASSISTANT: Sure, I am happy to help you with that. Can I have your travel dates please?

USER: My travel dates are from 02/13 to 02/15.

ASSISTANT: Ok, please let me know the timings of your journey.

USER: I am comfortable with any time.

ASSISTANT: Do you have any more specifications?

USER: I want a single connection that it.

ASSISTANT: Can I have your good name please to proceed further?

USER: Myself Dorothy Lee.

ASSISTANT: UA airlines running a flight in your route with connection 1 and the ticket fare is 100 in economy class. Shall I proceed with booking?

USER: Please proceed.

ASSISTANT: Ok, your  ticket booking has done and the flight number is 1021.

USER: Thank you so much.

ASSISTANT: Thank you for choosing us, have a great journey.