You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you today?

USER: I am planning my trip on Sept 15 and again I will return back on Sept 17.

ASSISTANT: Sure, may I know your planned airport codes?

USER: My airport codes are DEN to SFO.

ASSISTANT: Do you have any limits on number of connections?

USER: I am planning to travel in single connection flight.

ASSISTANT: Do you have any another specifications on your journey?

USER: No, I don't have any other specifications.

ASSISTANT: May I know your name for the booking process?

USER: Myself Deborah Lee.

ASSISTANT: Spirit Airlines providing a flight with the price 100 with single connection. Can I proceed for the booking?

USER: Yes, please go ahead and reserve the ticket.

ASSISTANT: Your flight ticket reservation done with the flight number 1012.

USER: Thank you very much for reserving the ticket.

ASSISTANT: Welcome, thank you for reaching us.