You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: Can you please help me in flight ticket booking process from DEN to CLT?

ASSISTANT: Sure, may I know your trip dates?

USER: Thank you for your response, I want to take off on Oct 24 and book my return ticket also on Oct 26.

ASSISTANT: Do you have any other requirements?

USER: I will prefer 1 break in between my journey.

ASSISTANT: Can I know your name?

USER: Sure, my name is Edward Phillips.

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

USER: Oh! It's ok, no problem. Thank you for your information.

ASSISTANT: Most welcome.