You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I aid you?

USER: Please book me a flight ticket from SFO to OAK to meet my family.

ASSISTANT: Sure, I am here to help you. Can you please share your travel dates.

USER: I have planned to travel on June 13th and return on June 15th.

ASSISTANT: May I know your connection limit?

USER: I prefer connecting flight.

ASSISTANT: Do you have any other requirements?

USER: No, thanks.

ASSISTANT: Ok, please let me know your name.

USER: Gary Lewis.

ASSISTANT: There is a flight available with price 100 and the connection is 1 from Spirit Airlines. Would you like me to proceed with the booking?

USER: Ok, please book this ticket.

ASSISTANT: Your ticket has been confirmed with the flight-1015 in economy class.

USER: Thank you.

ASSISTANT: Welcome, have a safe trip.