You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

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

ASSISTANT: Sure, can I know the travel dates please?

USER: I want to fly in the flight on Dec 06 and Dec 08.

ASSISTANT: May I know your name please?

USER: I am Brenda Edwards.

ASSISTANT: Can I know the connection limit please?

USER: I want to have a connection of 1.

ASSISTANT: Do you have any requirements?

USER: I prefer to travel in business class.

ASSISTANT: Sorry, there are no flights available as per your request.

USER: That's ok. Anyways, thank you for your help.

ASSISTANT: Thank you for approaching us.