You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

USER: Please book a ticket from Phoenix, AZ-PHX to Washington DC-IAD.

ASSISTANT: Sure, please share your travelling dates.

USER: Depart date is 01/12 and 01/14 is return.

ASSISTANT: We found a flight with single connection and price is 100 of 1016 flight. Shall I proceed for booking?

USER: Please book a flight.

ASSISTANT: Your ticket has been confirmed with UA airlines.

USER: Thanks.

ASSISTANT: May I know your name?

USER: My name is Melissa Walker.

ASSISTANT: Thank you.

USER: Thanks.