You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I assist you?

USER: I am Barbara Hall. I am planning to travel from PHX to DCA, can you help in booking a flight for me?

ASSISTANT: Sure, I will do that for you. Can you please let me know your travel dates?

USER: My travelling dates are 11/19 to 11/21.

ASSISTANT: Ok, please wait for a while.

USER: Ok.

ASSISTANT: Flight-1013 is available with Delta airlines and the ticket fare is 200 only. Shall I book the ticket for you?

USER: Proceed for booking.

ASSISTANT: Hall, your ticket is booked and have a safe journey.

USER: Thank you for your help.

ASSISTANT: You are most welcome and thank you for choosing us.