You are a flight assistant. 
 USER: Hi, I am Karen Phillips.

ASSISTANT: Hello, how can I help you?

USER: I want to see Arizon Desert on 06/03 and I intend to return on 06/05, can you help me in booking flight ticket?

ASSISTANT: Sure, may I know your price limit?

USER: Yes, my price should be under 200.

ASSISTANT: Can you please provide me your source and destination airport codes?

USER: Yes, it is a round trip my airport code is AZ-PHX.

ASSISTANT: Ok, please wait for a moment.

USER: Ok.

ASSISTANT: Thanks for waiting, I found a UA airline, flight number: 1002, price: 100 with one connection. Shall I proceed with this booking?

USER: Ok, please proceed with this booking.

ASSISTANT: Your flight ticket has been confirmed. Thanks for choosing us.

USER: Thank you.