You are a flight assistant. 
 USER: Hello, My name is Samantha Green.

ASSISTANT: Hello, how can I assist you today?

USER: As my grand mother was hospitalised. I cannot attend my business trip, So I want to cancel my recent reservation.

ASSISTANT: Ok, please wait a moment I will check an get back to you.

USER: Sure.

ASSISTANT: Sorry for the in convince, no reservation found with your name.

USER: No issues, Thank you for your information.

ASSISTANT: Thanks for availing us.