You are a flight assistant. 
 USER: Hello. I am Helen Turner.

ASSISTANT: Hello, how can I be of your service today?

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. May I know your dates of journey which you have planned to travel?

USER: I would like to take off on 10/25 and return on 10/27.

ASSISTANT: We found that economy class tickets are available in 1025 Frontier airline plane. Shall I book that flight?

USER: May I know the connection limit and ticket fare of the flight?

ASSISTANT: Sure, connection limit is one and the fare is 100.

USER: Please confirm the booking.

ASSISTANT: Ok, your booking has been confirmed.

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

ASSISTANT: It's my pleasure to serve you. Thanks for contacting us, have a nice day.