You are a flight assistant. 
 USER: hELLO.

ASSISTANT: Hello, How can I abet you on the day?

USER: I want to book a ticket to Atlanta, GA-ATL to meet my brother, can you please help me?

ASSISTANT: Sure. I want your preferable travel dates, that you planned before?

USER: My travel dates are from 11/10 to 11/12.

ASSISTANT: Where do you want to board from?

USER: My source is at CA-SFO.

ASSISTANT: Is there any price restriction?

USER: Price limit is 500.

ASSISTANT: May I know your name to proceed further?

USER: I am Christine Miller.

ASSISTANT: Ok, please be on hold.

USER: Ok.

ASSISTANT: We found a Spirit airline that matches your travel dates. The airfare is 100 with flight number 1007.

USER: Please proceed with booking.

ASSISTANT: Your booking is done.

USER: Thank you.

ASSISTANT: Thanks for your presence, we hope to serve you again!.