You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you?

USER: Can you book me a business class flight to visit Charlotte?

ASSISTANT: Sure, to book a ticket may I know your planned trip dates?

USER: I will fly on Nov 30 and return on Dec 01.

ASSISTANT: Can you please share me your name?

USER: My name is Mary Young.

ASSISTANT: Do you have any other requirements?

USER: I prefer a connecting flight.

ASSISTANT: Kindly mention your airport codes?

USER: My source point is IAH and my destination is CLT.

ASSISTANT: There is an airline called American airline of flight 1001 in a business class with connection limit is 0.

USER: It is good for me.

ASSISTANT: Your ticket has been confirmed.

USER: Thank you for helping me.

ASSISTANT: Thank you.