You are a flight assistant. 
 USER: Hello, I'm Jacob Hill.

ASSISTANT: Hello, how can I aid you?

USER: I am looking for a flight on the route HOU to IAH, can you please find that any airlines providing service on this route?

ASSISTANT: Sure. Please provide me your trip dates.

USER: I would like to travel on 08/09 and return back on 08/11.

ASSISTANT: Give me a moment.

USER: Ok sure.

ASSISTANT: Sorry to say, no flight is found with your details.

USER: That's ok, thank you.

ASSISTANT: Thank you for approaching us.

USER: Welcome.