You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I serve you?

USER: I am Stephen Anderson, I want to book a flight ticket from PHX to DCA. Can you find a flight ticket for me?

ASSISTANT: Ok, can I have your trip dates?

USER: Sure, my planned trip dates are 08/18 and back on 08/20.

ASSISTANT: Ok, please wait a minute.

USER: Sure.

ASSISTANT: There is a flight with connection limit 1 and the price is 200 in the Delta airlines. Can I proceed?

USER: Yes, you can proceed with the booking.

ASSISTANT: Ok, I have confirmed your flight ticket and the flight number is 1009.

USER: Thank you for your help.

ASSISTANT: You are welcome. Thank you for contacting us.