You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I aid you today?

USER: Can you please aid me in booking a flight ticket from DFW to DEN?

ASSISTANT: Sure, may I know your trip dates please?

USER: My trip dates are Sept 15th and Sept 17th.

ASSISTANT: Do you have any airline preference?

USER: No.

ASSISTANT: Would you like any lay off in your journey?

USER: I would like to travel in a connecting flight.

ASSISTANT: Is there any class preference?

USER: No.

ASSISTANT: Let me know your preferable travel timings?

USER: I don't have any timing.

ASSISTANT: Can you mention your name please?

USER: Donald Clark.

ASSISTANT: Hawaiian Airlines has a connecting flight with number 1017 for fare 100, shall I proceed?

USER: Please proceed.

ASSISTANT: Your ticket is reserved in business class.

USER: Thank you.

ASSISTANT: Thank you for opting us.