You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

USER: Please help me in booking flight ticket from IAH to LAX.

ASSISTANT: Sure, please provide your journey dates.

USER: My trip dates are July 19 to July 21.

ASSISTANT: Ok, Do you have any class preference?

USER: No.

ASSISTANT: Ok, May I know your connection limit?

USER: I need a connecting flight.

ASSISTANT: Ok, Is there any other preferences?

USER: No.

ASSISTANT: Thank you for providing details, we found a connecting flight in 1006 Southwest Airlines with a fare of 100. Can I proceed?

USER: You can proceed on name Barbara Hill.

ASSISTANT: Your ticket has been booked.

USER: Thank you.

ASSISTANT: Thank you for reaching us.