You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, what can I do for you now?

USER: I am Kevin Lee here.

ASSISTANT: OK.

USER: I am planning to meet my friend in Los Angela, LAX. Could you please help me with booking a flight ticket from DEN?

ASSISTANT: Sure, I can book a flight ticket for you. May I know your journey dates?

USER: 05/15 and 05/17 are my journey dates.

ASSISTANT: An UA airline plane is available on your route with a fare of 100 and with single connection. Shall I proceed?

USER: That's perfectly matching to my requirements, please proceed with booking.

ASSISTANT: Ok, your booking has been confirmed with 1020 flight.

USER: Thank you for your help in booking my ticket.

ASSISTANT: Thanks for reaching us, have a nice day.