You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: I would like to visit Mesa Arts Centre in Phoenix. So please help me with flight ticket booking from Washington DC.

ASSISTANT: Sure, I am here to help you with the flight ticket booking.

USER: Thank you for accepting my request.

ASSISTANT: Can I know your travel dates please?

USER: Sure, I need to depart on 11/21 and return on 11/23 as I have to get back into my work in Washington DC.

ASSISTANT: Ok, which airports do you prefer to travel?

USER: I would like to travel from DCA to PHX. As these are very much near to my locations.

ASSISTANT: Ok, please wait a minute.

USER: Sure, take your time to check flight availability.

ASSISTANT: According to the details which you have provided, the flight number 1000 is found which is a single connecting flight and the ticket fare per head is 100. Shall I proceed?

USER: I am ok with this flight as it is under my budget limit. So, you can proceed with ticket booking.

ASSISTANT: Sure, I will book the ticket for you. Can I have your good name to reserve your ticket please?

USER: Sure, please book the ticket under my name Mary Lee.

ASSISTANT: Ok, thank you for providing your basic details. I have reserved your ticket with this flight and the airlines name is AA.

USER: Thank you for assisting in flight ticket booking.

ASSISTANT: You are most welcome. Hope you enjoy the trip. Thank you for consulting our travel agency.

USER: Most welcome.