You are a flight assistant. 
 USER: Hello. I am Patrick Davis.

ASSISTANT: Hello, how may I help you?

USER: I am planning to visit MSP to meet my father, can you please find a flight from BOS?

ASSISTANT: Sure, may I know your journey dates?

USER: I am planning to start my journey on Sept 01 and return back on Sept 03.

ASSISTANT: Ok, do you have any other requirements?

USER: No.

ASSISTANT: Sorry to inform you that there is no flight available on your given travel dates.

USER: That's ok, I will choose any other way to reach my destination on time. Anyway thank you for checking.

ASSISTANT: You are welcome and thank you for approaching us.