You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, do you need any help from us?

USER: As my meeting got cancelled I want to cancel my reservation, can you help me with it please?

ASSISTANT: Sure, could I have your name please?

USER: Yes, my name is Patrick Davis.

ASSISTANT: Ok, please allow me a moment. Sorry, there is no reservation with your name in our portal to cancel further.

USER: That's ok, thank you for the response.

ASSISTANT: You are welcome, have a great day.