You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: Can you please help me in booking a flight ticket from SFO to DEN?

ASSISTANT: Sure, Please share your journey dates?

USER: I want to fly on Nov 10 and return on Nov 12.

ASSISTANT: Do you have any specifications?

USER: I need a single connection.

ASSISTANT: Is there any class preference?

USER: I would like to prefer an economy class.

ASSISTANT: May I know your good name?

USER: Myself Gary Lee.

ASSISTANT: We found a flight in Southwest airlines, flight number is 1002 with single connection and price is 100 economy class. Shall I proceed?

USER: You can proceed to booking.

ASSISTANT: Your ticket has been booked.

USER: Thank you.

ASSISTANT: Thank you for choosing us.