You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: Myself Helen Allen. I am looking for a flight from LAS to SFO, can you help me in booking the flight ticket from Las Vegas?

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

USER: Sure, my planned travel dates are July 30 and Aug 01.

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

USER: That's fine, please proceed in booking with this flight.

ASSISTANT: Your ticket is booked with flight 1001.

USER: Thank you for your service.

ASSISTANT: You are welcome.