You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Justin Jones.

ASSISTANT: How can I aid you today?

USER: I am planning to travel from Atlanta to San Francisco to enjoy the fun filled vacations. Can you please reserve me a flight ticket?

ASSISTANT: Sure, I am happy to help you with that. Can I know your travelling dates?

USER: I would like to depart on Feb 17 and return on Feb 19.

ASSISTANT: Ok, may I know your airport codes?

USER: My source airport code is ATL and destination airport code is SFO.

ASSISTANT: Do you have any other preferences?

USER: I need a flight with single connection.

ASSISTANT: Based on your travelling dates. I have found a flight with the Delta airlines having a connection limit 1 and the ticket fare is 100. Are you ok this flight?

USER: Yes, you can proceed with booking.

ASSISTANT: Yes, I have confirmed your ticket in business class and the departure time is  0:00 AM with flight number is 1000.

USER: Thank you for your service.

ASSISTANT: Thank you for approaching us. Have a safe journey.