You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you today?

USER: Can you check the availability of flights from IAH to IAD?

ASSISTANT: Sure, may I know your planned travel dates?

USER: My planned journey dates are Sept 06 and 08.

ASSISTANT: Do you have any limits on number of connections?

USER: I need a break in my journey.

ASSISTANT: May I know your name for the documentation process?

USER: Catherine Harris here.

ASSISTANT: Do you have any another requirements on your journey?

USER: No.

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

USER: That's Ok, thanks for your help.

ASSISTANT: Welcome, thank you for reaching us.