You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I address you today?

USER: I want to travel from CLT to HOU. Can you help me to book a flight ticket?

ASSISTANT: Sure, when do you want to start and return on?

USER: I want to travel in the flight on Feb 01 and Feb 03.

ASSISTANT: Do you prefer a connecting flight?

USER: I want to have a connecting flight.

ASSISTANT: Do you have any other specifications?

USER: No.

ASSISTANT: Can I know your good name?

USER: Karen Green.

ASSISTANT: Thank you for your details, we found a connecting flight 1000 in Spirit airline.

USER: Proceed to booking.

ASSISTANT: Your ticket has been confirmed with a class economy.

USER: Thank you for your help.

ASSISTANT: Thank you.