You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I aid you today?

USER: I am Raymond Jones.

ASSISTANT: Nice to meet you Jones. Welcome to flight booking agency.

USER: I think I am at right place. I am a professor and I have to travel to Houston-HOU to submit my new document in my university, can you book a flight ticket from Austin-AUS?

ASSISTANT: Sure, we are gleeful to help you. Can you please provide on which dates do you want to travel?

USER: Yes, I would like to move on 09/15 and return back on 09/17.

ASSISTANT: Ok, please wait a moment to check the flights availability.

USER: Sure, take your time.

ASSISTANT: Sorry to inform you that, there are no flights moving to your region with your requested dates of travelling.

USER: Sad to hear that one but I will try on other dates when I was planned.

ASSISTANT: Ok, thank you for reaching us.

USER: You are welcome.