You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you for the day?

USER: I would like to travel from CLT to HOU can you please help me in flight booking?

ASSISTANT: Sure, I am mirthful to help you with that. Can you please share your planned journey dates?

USER: I will start on Oct 07, return on Oct 09.

ASSISTANT: May I know your name please?

USER: My name is Kevin Smith.

ASSISTANT: Can I know your connection limit?

USER: I need a single connecting flight.

ASSISTANT: Do you have any other specification?

USER: I want business class flight ticket.

ASSISTANT: Sorry to say that, there are no flights found on this route as per your travel dates.

USER: No problem, thank you.

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