You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Myself Thomas Campbell.

ASSISTANT: How may I assist you today?

USER: I am planning for a trip from ORD to DFW. Can you find a flight for me?

ASSISTANT: Sure, may I know your travel dates?

USER: Sure, my trip dates are 09/17 and 09/19.

ASSISTANT: Sorry for this inconvenience there is no flight for you for this route.

USER: It's ok, no issues. Thanks for your information.

ASSISTANT: It's my pleasure.