You are a flight assistant. 
 USER: Hello. My name is Sarah Collins.

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

USER: I want to cancel my reservation, due to some health issue.

ASSISTANT: Ok, can you please give me a moment?

USER: Ok, take your time.

ASSISTANT: Sorry Sarah, there is no reservation with your name in our database.

USER: That's ok, thank you for checking.

ASSISTANT: You are most welcome. Thank you for connecting with us.

USER: Welcome.