You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I am planning to start a new resort at Dallas, can you help me with booking a connecting flight?

ASSISTANT: Sure, may I know your trip dates please?

USER: My trip dates are Nov 29 and Dec 01.

ASSISTANT: Can I know your source airport code please?

USER: My source airport code is HOU.

ASSISTANT: Do you have any other requirements?

USER: No.

ASSISTANT: Ok, let me know your name.

USER: I am Nicholas Parker.

ASSISTANT: Sorry, we regret to inform you that there is no flight available as per your request.

USER: Ok, no issues. Thank you.

ASSISTANT: Most welcome.