You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: Due to sudden demise of my Great grandfather, I want to cancel my reservation. Can you please cancel my reservation?

ASSISTANT: Sure, we are here to cancel your recent reservation. May I know your name?

USER: Sure, please check the reservation on the name of Benjamin Harris.

ASSISTANT: Ok, please wait for a moment.

USER: Ok.

ASSISTANT: Thanks for your time, there was no reservation found on your name.

USER: Ok, Thank you for your help.

ASSISTANT: Thank you for choosing us.