You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

USER: I have to attend a Live Concert at San Francisco, could you please help me with booking a flight ticket from DEN to SFO?

ASSISTANT: Sure, please provide your itinerary dates.

USER: I would like to depart on Mar 16th and return on Mar 18th.

ASSISTANT: May I know your name?

USER: I am Richard Jackson.

ASSISTANT: Which class do you prefer?

USER: I am comfortable with any class.

ASSISTANT: May I know your connection limit?

USER: I am looking for a connecting flight.

ASSISTANT: Please wait for a while.

USER: Sure, take your time.

ASSISTANT: AA airlines with flight 1014 is providing a connecting flight and ticket costs you 100 in economy class.

USER: Please confirm the booking.

ASSISTANT: Your ticket is booked Richard Jackson.

USER: I really appreciate your help, thank you for your service.

ASSISTANT: Thank you for choosing us.