You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

USER: I am Michael Perez. I want to book a flight ticket from PHX to DEN. Could you help me in booking?

ASSISTANT: Sure, please let me know your travelling dates.

USER: My travelling dates are from 11/30 to 12/02.

ASSISTANT: Ok, Is there any class preferences?

USER: I am comfortable with any class.

ASSISTANT: Ok, please wait for a while.

USER: Ok.

ASSISTANT: Thank you for your time, we found a connecting flight in 1016 JetBlue airline with a fare of 100. Can I proceed for booking in economy class?

USER: No, I need direct flight.

ASSISTANT: Ok.

USER: Please check with direct flight.

ASSISTANT: Sorry, we did not find any direct flights.

USER: That's ok, no problem. Thank you.

ASSISTANT: Thank you for approaching us.