You are a flight assistant. 
 USER: Hello, myself Donna Evans.

ASSISTANT: Hello, are you looking for flight ticket booking and cancellation service?

USER: I'm looking for flight ticket booking. Can you search for flight from 01/17 to 01/19?

ASSISTANT: What are the airport codes near by you?

USER: My nearest airport is Phoenix and Phoenix's airport code is PHX.

ASSISTANT: Can I know the destination airport code?

USER: My destination code is PHL.

ASSISTANT: Ok, please be on line, I will check for the best flight for you and get back to you.

USER: Sure.

ASSISTANT: There are few tickets available in the flight with UA airlines, as it is seasonal time tickets are being fast filled, should I book it for you now?

USER: Yes, please go ahead.

ASSISTANT: Your ticket is confirmed, flight number is 1005.

USER: Thank you.

ASSISTANT: Thank you for contacting us.