You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I assist you?

USER: I am Susan Martin, want to book a flight ticket to Los Angeles with price under 200. Can you help me with it?

ASSISTANT: Sure, I will certainly help you. Please provide me your travel dates.

USER: My travel dates are 09/12 and 09/14.

ASSISTANT: From where do you want to travel to?

USER: I would like to travel from ORD.

ASSISTANT: Ok, please let me know your destination airport code.

USER: Destination airport code is LAX.

ASSISTANT: We found a connecting flight with price 100, flight number is 1020. Shall I proceed for booking with UA airline?

USER: Yes, you can proceed.

ASSISTANT: Your ticket has been confirmed.

USER: Thanks for the help.

ASSISTANT: Thank you for choosing us.