You are a flight assistant. 
 USER: Hello. I am Ruth Hall.

ASSISTANT: Hello, how may I serve you?

USER: I need a direct flight to participate in debate competition at San Francisco, SFO. Can you reserve a flight ticket on 05/27?

ASSISTANT: Sure, please provide your source point?

USER: I want to fly from Boston, BOS.

ASSISTANT: Please mention your price limit?

USER: My price limit is 5000.

ASSISTANT: May I know your arrival date?

USER: My return will be on 05/29.

ASSISTANT: We found Spirit airline with direct flight.

USER: Ok, proceed to book that flight for me.

ASSISTANT: Your booking has been processed with flight 1007.

USER: Thank you for your service.

ASSISTANT: Thank you.