You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I assist you for the day?

USER: I want to book a direct flight ticket to meet my friend's at TX . Can you help me?

ASSISTANT: When you are willing to travel?

USER: I intend to start on Oct 1st and my return date will be on Oct 3rd.

ASSISTANT: Do you have any connection limit?

USER: I need to fly with the direct flight.

ASSISTANT: Can you help me with your travelling airport codes?

USER: My source and destination airport codes are ORD and HOU.

ASSISTANT: May, I know your good name?

USER: Myself Kevin Williams.

ASSISTANT: We found 1006 Spirit airlines with 0 connection with price 200.

USER: You can reserve it.

ASSISTANT: Your, booking has been confirmed.

USER: Thank you for your help in booking the flight.