You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you today?

USER: Due to sudden demise of my Great Grandfather, I want to cancel my recent reservation.

ASSISTANT: Sure, may I know your name to proceed for cancellation?

USER: I am Jack Evans.

ASSISTANT: Ok, Jack Evans. Please wait for a while.

USER: Sure.

ASSISTANT: There was no reservation found on the name of Jack Evans.

USER: Ok, Thank you for your service.

ASSISTANT: Thank you for reaching our agency.