You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I'm Stephanie Carter.

ASSISTANT: How can I help you with today?

USER: I want to go on a vacation to San Francisco.can you book a ticket from CA - OAK to CA - SFO?

ASSISTANT: Sure, I can help you with that. Stephanie, can you please help me with your travelling dates?

USER: The departure is on 09/09 and return is on 09/11.

ASSISTANT: Ok, let me check for the availability of flight.

USER: Ok.

ASSISTANT: Stephanie, there is a flight available at your requested dates with price 200.

USER: The connection limit is 1.

ASSISTANT: Yes, the connection limit is 1. Would you like me to proceed the booking?

USER: Yes, proceed with the booking.

ASSISTANT: Sure. Your booking is confirmed.Your flight number is 1001 and the airline is Frontier.

USER: Ok. Thank you for your help.

ASSISTANT: You are most welcome. Thank you for contacting us. Have a great journey.