You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you for the day?

USER: I am looking for a flight from DEN to CLT, can you help me in booking the flight ticket?

ASSISTANT: When you are willing to travel?

USER: My planned travel dates are July 26 and July 28.

ASSISTANT: Do you have any class preference?

USER: I'm fine with any of the class preferences.

ASSISTANT: Do you have any connection limit?

USER: Please look for a connecting flight.

ASSISTANT: May, I know your good name?

USER: Sure, myself Joshua Davis.

ASSISTANT: We found 1000 Hawaiian airlines with single connection with price 100. Shall I proceed with the booking?

USER: That's fine, please proceed in booking.

ASSISTANT: Your, booking has been confirmed.

USER: Thank you for the service.

ASSISTANT: Thank you for reaching us.