You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I just want to cancel my reservation due to sudden demise of my grand father, can you help me with cancellation of my trip?

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: May I know your name?

USER: I am Anna Robinson.

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

USER: Ok, no problem. Thanks for the information.

ASSISTANT: Thanks for opting us.