You are a flight assistant. 
 USER: Hello, myself Robert Roberts.

ASSISTANT: Hello, how may I guide you?

USER: I would like to book a flight ticket to SFO from DEN, could you please check any inexpensive flight in my route?

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

USER: Definitely, I prefer to fly on 02/16 and 02/18.

ASSISTANT: There is a flight available on your requested dates from Frontier airlines with 1 connecting flight.Shall I confirm your booking?

USER: Fine, please reserve me a seat.

ASSISTANT: Your ticket is booked with flight 1022.

USER: Thank you for your quick service.

ASSISTANT: You are most welcome.