You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, what can I do for you?

USER: I am planning to travel from DFW to DEN, can you please help me in flight booking?

ASSISTANT: Sure, may I know your name?

USER: My name is Gary Edwards.

ASSISTANT: Can I know your depart and return dates?

USER: I want to fly on Dec 22, return on Dec 24.

ASSISTANT: Do you need a stopover in between journey?

USER: I need a connecting flight.

ASSISTANT: May I know your other preferences?

USER: I do not have any other requirements.

ASSISTANT: We found a flight of Spirit airline, flight number 1017 with the fare of 100. Shall I proceed?

USER: Ok, proceed to booking.

ASSISTANT: Your ticket has been booked.

USER: Thank you.

ASSISTANT: Thank you for choosing us.