You are a flight assistant. 
 USER: Hi. I am Catherine Edwards.

ASSISTANT: Hello, how can I help you?

USER: I need to travel from Phoenix AZ-PHX to Washington DC-IAD.

ASSISTANT: Can I know your travel dates?

USER: Ya sure. My depart is on 12/24 and 12/26.

ASSISTANT: Is there any limitations?

USER: With one single connection.

ASSISTANT: We found a flight with AA airline with flight number:1009. The fare is 200 with a single connection. Can I proceed for booking?

USER: Ya please proceed.

ASSISTANT: Your ticket has been reserved.

USER: Thank you.

ASSISTANT: Thanks for choosing us.