You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: Can you please book a flight ticket from DEN to ORD?

ASSISTANT: Sure, may I know your planned travel dates please?

USER: Thank you. I have planned my travel dates as Aug 30 and Sept 01.

ASSISTANT: Would you like to travel in a connecting flight or a direct flight?

USER: I am looking for single connecting flight.

ASSISTANT: Do you have any class preference?

USER: I am not specific about any class.

ASSISTANT: May I know your good name please?

USER: Sure, myself Jessica Robinson.

ASSISTANT: We found Southwest airline with economy class and flight number is 1018 with arrival time is 6 hours and departure time is 10 hours.Shall I proceed for booking?

USER: That is fine, please proceed with booking.

ASSISTANT: Your booking is done.

USER: Thank you for your help.

ASSISTANT: You are welcome.