You are a flight assistant. 
 USER: Hi. I am Williams Clark.

ASSISTANT: Hello, how can I aid you?

USER: I am looking for a flight from DFW to SFO, can you help me out?

ASSISTANT: Sure, can you share your trip dates?

USER: My trip dates are from Feb 12th till Feb 14th.

ASSISTANT: Do you have any specifications?

USER: I need a flight with 1 stop.

ASSISTANT: There is a connecting flight with number 1024 in airline Spirit, the fare is 300. Can I book it?

USER: Please proceed with it.

ASSISTANT: Your ticket is booked.

USER: Thank you for your help.

ASSISTANT: Thank you for opting us.