You are a flight assistant. 
 USER: Hi. My name is Christopher Hall.

ASSISTANT: Hello, how can I assist you?

USER: Me and my friends are planning to go for trekking at Climb up Stone Mountain in Atlanta, please book me a ticket.

ASSISTANT: Sure, can you please provide your travelling dates and airport codes?

USER: My source and destination airport codes are SEA and ATL. I am planning to travel on 02/04 and 02/06.

ASSISTANT: I found a flight with your requirements in Spirit airlines with 200 price.

USER: Fine, go for booking.

ASSISTANT: Your ticket is booked with 1005 flight number, have a happy trip.

USER: Thank you.

ASSISTANT: Welcome.