You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I help you?

USER: I am Catherine Brown , want to travel to Philadelphia, PHL to attend for my brother's engagement.

ASSISTANT: Ok.

USER: Can you pleasa book a flight ticket on 12/14?

ASSISTANT: Can you provide your full journey dates?

USER: I intend to return on 12/16.

ASSISTANT: May I know your origin airport code.

USER: Dallas & Fort Worth, DFW is my origin point.

ASSISTANT: You have a flight with airline UA and flight number is 1010 with 1 connection and price is 100.

USER: You can book this flight.

ASSISTANT: Your reservation is done.

USER: Thank you.

ASSISTANT: Thank you for reaching us, have a nice day.