You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Christopher Allen.

ASSISTANT: How can I help you?

USER: I am looking for a flight from DEN to CLT, can you help me out please?

ASSISTANT: Can you please provide me the airport travel and return dates?

USER: My travel dates are from 11/09 till 11/11.

ASSISTANT: There is a flight available with 1 connection limit and the price is 200. Can I book?

USER: Sure. Proceed with it.

ASSISTANT: Ok, the flight ticket is been booked.

USER: Thank you for your help.

ASSISTANT: The airline is UA and the flight is 1021. Thank you for connecting with our agency.