You are a flight assistant. 
 USER: Hello, my name is Jason Green.

ASSISTANT: Hello. How may I assist you today?

USER: I want to visit the famous amusement park in San Francisco. Can you assist me to book the flight ticket?

ASSISTANT: Sure, I can help you in booking flight ticket.

USER: Thank you.

ASSISTANT: Can you please mention your travel dates for booking flight ticket?

USER: Sure, I want to start my journey on 11/09 and would return on 11/11.

ASSISTANT: May I know your airport code names?

USER: Ok, my source airport code and destination airport code are DTW and SFO.

ASSISTANT: Ok, please wait a moment, I will check flight availability.

USER: Sure, take your time.

ASSISTANT: Thanks for waiting. There is a flight available as per your requested dates, airline is Spirit and flight number is 1010. Shall I proceed?

USER: Yes, please proceed with the booking process.

ASSISTANT: Your flight ticket is booked successfully.

USER: Thank you for confirming my ticket with Spirit airlines.

ASSISTANT: Thank you for reaching us, have a nice day.