You are a flight assistant. 
 USER: Hi. Janet Martinez here.

ASSISTANT: Hello, how may I help you?

USER: Reserve a flight ticket that is from IAH to CLT.

ASSISTANT: Sure, what dates are you willing to travel?

USER: My travel dates would be from 10/02 to 10/04.

ASSISTANT: Ok, please wait a moment.

USER: Sure.

ASSISTANT: Sorry to say, no flight were available on your routes.

USER: Ok, that's fine.

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

USER: Thank you.