You are a flight assistant. 
 USER: Hello, I am Jonathan Parker.

ASSISTANT: Hello, how may I support you?

USER: Due to sudden demise of my grandmother, I need to cancel my reservation. Can you please help me with cancellation?

ASSISTANT: Sure, I am here to help you. Please wait for a while, I will check and revert to you.

USER: Ok.

ASSISTANT: Sorry, there is no reservation found on your name.

USER: Ok, no issues.

ASSISTANT: Thanks for opting us and have a nice day.

USER: Thank you for your information.