You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you at this moment?

USER: Could you please book me a flight ticket from PHX to DCA?

ASSISTANT: Sure, I will help you with that. Can you please mention your preferable travel dates?

USER: I will be leaving on Feb 1st and arrive on Feb 3rd.

ASSISTANT: May I know your name for further process?

USER: I am Mary Turner.

ASSISTANT: Do you need any specific depart and arrival time for this trip?

USER: No, I don't have any time restriction.

ASSISTANT: Do you have any another specifications?

USER: No.

ASSISTANT: Ok, please hold on a moment.

USER: Sure.

ASSISTANT:  AA airline flight available with connection limit 1 and fare is 200, shall I confirm this economy class flight?

USER: Fine, please proceed.

ASSISTANT: Your flight ticket is booked successfully, flight number is 1021.

USER: Thanks for your support.

ASSISTANT: You are welcome Mary Turner.