You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello,. How can I support you?

USER: Due to sudden demise of my uncle, I want to cancel my reservation. Can you help me with cancelling my reservation?

ASSISTANT: Sure, may I know your good name?

USER: Sure, I made my reservation on the name Jack Walker.

ASSISTANT: Please be on hold for a minute.

USER: Sure.

ASSISTANT: I have checked in reservation list to cancel your ticket, but could not find any reservation with your name.

USER: No worries, thank you for your information.

ASSISTANT: Thanks for approaching us, hope to serve you again.