You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello,. How may I render you?

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

ASSISTANT: Sure, may I know your name please?

USER: Sure, I am Jessica Parker.

ASSISTANT: Please be on hold, I will revert to you.

USER: Sure.

ASSISTANT: Thanks for holding on, no reservation found with your name.

USER: Ok. Thank you for your service.

ASSISTANT: Thanks for approaching us.