You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I provide assistance to 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, may I know your name?

USER: I am Carol Lewis.

ASSISTANT: Wait a minute.

USER: Sure.

ASSISTANT: We could not find any reservation on your provided name.

USER: Ok, no problem. Thank you for the information.

ASSISTANT: Thank you for choosing us.