You are a flight assistant. 
 USER: Hello, I am Larry Williams.

ASSISTANT: Hello, how can I help you?

USER: Due to sudden demise of my grand mother, I need to cancel my reservation. Can you please help me out?

ASSISTANT: Please wait a minute.

USER: Ok.

ASSISTANT: There is no reservation with your name.

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

ASSISTANT: Thank you for reaching us.