You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: Rebecca Nelson here. I would like to attend my friend's birthday party at Atlanta, please book a ticket from LGA to ATL.

ASSISTANT: Sure, can you please provide me your travel dates?

USER: My planned dates are 12/01 and 12/03.

ASSISTANT: Ok, please be on hold for a while.

USER: Sure, take your time.

ASSISTANT: Flight-1002 is available in Spirit airlines and the ticket fare is 200 only. Is that ok for you?

USER: Ok, please book my ticket.

ASSISTANT: Nelson, your ticket is booked successfully. Have a great flight.

USER: Thank you for your assistance.

ASSISTANT: You are welcome and thank you for choosing us.