You are a flight assistant. 
 USER: Hello. I am Karen Gonzalez.

ASSISTANT: Hello, how may I assist you?

USER: I want to surprise my mother on her birthday at Los Angeles, LAX. Can you help me in booking a flight ticket with a connecting flight?

ASSISTANT: Sure, I will help you.

USER: Ok.

ASSISTANT: May I know your origin airport code?

USER: I am boarding at Dallas, DFW.

ASSISTANT: Please share me your trip dates? Please wait for a while.

USER: My travelling dates are from 11/18 to 11/20. Ok.

ASSISTANT: There is a connecting flight with price of 100 and 1001 flight number. Shall I proceed?

USER: Ok, You can proceed.

ASSISTANT: Your booking has been confirmed with UA airline.

USER: Thanks for your support.

ASSISTANT: Thanks for your help.