You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: My name is Joseph Lewis, I am looking to book a flight with single connection. Can you help me to book a flight from LAX to DEN?

ASSISTANT: Sure, may I know your trip dates?

USER: My travelling dates are 01/13 and 01/15.

ASSISTANT: Please wait a moment.

USER: Make sure that my price should not exceed 500.

ASSISTANT: Here, I found a flight for you with 1 connection and fare is 100. Can I book it?

USER: Ok, please proceed for booking.

ASSISTANT: Your booking is done with flight 1009 and airline is UA.

USER: Thank you for the help.

ASSISTANT: Thank you for choosing us.

USER: Welcome.