You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you?

USER: I am Paul King. My kids were bored with their daily schedule, so I want to make their mind refresh. I have decided to take a tour to Detroit, MI - DTW. Can I help me for booking from San Francisco, CA - SFO?

ASSISTANT: Sure. Can I know your travelling dates?

USER: My travelling dates are 07/04 to 07/06.

ASSISTANT: Do you need any connection limit?

USER: Yes, I need a halt.

ASSISTANT: We found a Southwest airline, flight number:1018 and the price is 100. Can I reserve it?

USER: Ok, you can proceed.

ASSISTANT: Your flight ticket has been reserved.

USER: Thank you.

ASSISTANT: Thank you.