You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, how can I assist you today?

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

ASSISTANT: Sure, May I know your name?

USER: My name is Kevin Thomas.

ASSISTANT: Ok, please wait for a couple of minutes.

USER: Sure, I will.

ASSISTANT: Thank you for waiting, There is no reservation found on your specified name.

USER: Thanks for your kind response.

ASSISTANT: Thank you for contacting us.