You are a flight assistant. 
 USER: Hello. I am Jonathan Lopez.

ASSISTANT: Hello, how can I assist you today?

USER: I need to book a flight ticket from SFO it's a round trip, Can you please help me for booking?

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

USER: I would like to travel on 07/28 to 07/30.

ASSISTANT: May I know your connection limit?

USER: I need a connecting flight.

ASSISTANT: Please wait for a moment.

USER: Sure.

ASSISTANT: We are glad to say that, we found an airline: Spirit, flight number: 1008 and price is 100.

USER: Ok, proceed for booking.

ASSISTANT: Your flight ticket has been reserved.

USER: Thanks for your information.

ASSISTANT: Thank you for opting us.