You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how best can I help you?

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

ASSISTANT: Sure, please share your good name?

USER: Joshua Collins here.

ASSISTANT: Please stand by.

USER: Sure.

ASSISTANT: Thank you for waiting, there is no active reservation found with the given name.

USER: No problem, Thanks for the information.

ASSISTANT: Thank you.