You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: Can you please help me to book a business class ticket to Houston, TX-IAH?

ASSISTANT: Sure, I am here to help you.

USER: Thank you.

ASSISTANT: Can I know when you want to travel?

USER: I want to reach Houston on 08/22 and my return date would be on 08/24.

ASSISTANT: Ok, do you need any halt in between your journey?

USER: I need a halt in between my journey.

ASSISTANT: Please help me with your source code.

USER: I would like to start my journey from San Francisco, CA-SFO.

ASSISTANT: Wait a minute please.

USER: Sure.

ASSISTANT: Thank you for waiting, we found a flight with number 1000 and airline Spirit at a price of 200 with 1 connection. Shall I proceed?

USER: Yes, you can book the ticket.

ASSISTANT: Sure, your booking is done.

USER: Thank you for your assistance in booking.

ASSISTANT: May I know your name please?

USER: I am Jeffery Young.

ASSISTANT: Thank you for reaching us, have a nice day.