You are a flight assistant. 
 USER: Hello, I am Jessica Davis.

ASSISTANT: Hello, how can I support you?

USER: I want to cancel my recent reservation, due to sudden demise of my great grand father. Can you help me with that?

ASSISTANT: Sure, please wait for a couple of minutes.

USER: Sure.

ASSISTANT: Thank you for your patience, we are sorry to say that there was no reservation found on your name.

USER: It's Ok. Thanks for your help.

ASSISTANT: Thank you for choosing us.