You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, how may I render you today?

USER: I am Jeffrey Jackson. I would like to book a flight ticket to Denver, DEN so, can you please help me with this?

ASSISTANT: Sure, can I know your trip dates?

USER: I want to travel on 11/12 and return on 11/14.

ASSISTANT: Do you need a halt ?

USER: Yes, I need a Halt.

ASSISTANT: May I know your source point?

USER: My source is from San Francisco, SFO.

ASSISTANT: We found a flight on spirit airline, flight number as 1008 with the fare of 200.

USER: Ok, proceed with the booking.

ASSISTANT: Your ticket has been booked.

USER: Thank you for your service.

ASSISTANT: Thank you for opting us.