You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

USER: Can you please assist me to book the flight ticket?

ASSISTANT: Sure, I am happy to help you with that. Can you please provide your preferable dates of travelling?

USER: Thank you. The preferable travel dates are Feb 10th and 12th.

ASSISTANT: May I know your airport codes?

USER: The source and destination airport codes are OAK and SFO.

ASSISTANT: Do you need any connections between your trip?

USER: I am willing to travel in a single connecting flight.

ASSISTANT: Do you need any other requirements?

USER: No, thanks for asking.

ASSISTANT: May I know your name?

USER: My name is Kevin Brown.

ASSISTANT: Spirit airlines, flight number:1011 is going on your way with single connection and price:200. Is that Ok for you?

USER: Yes, I am ok with this flight. Please do proceed with the ticket booking.

ASSISTANT: Your ticket has been booked successfully.

USER: Thanks a lot for your help.

ASSISTANT: Thank you for opting us.