You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I guide you?

USER: I have a debate to attend at CNN centre in Atlanta. Can you help me in booking a ticket from PHL to ATL?

ASSISTANT: Sure, may I know your trip dates please?

USER: My planned journey dates are 02/12 and 02/14.

ASSISTANT: Please wait a moment.

USER: Sure, take your time.

ASSISTANT: I found a flight in Spirit airlines with price 100. Can I book the ticket for you?

USER: Please book the ticket with the name Mark Lopez.

ASSISTANT: Your ticket has been booked with flight number 1022.

USER: Thank you for your service.

ASSISTANT: Thank you for choosing us.