You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I be at your service?

USER: I am Kevin Phillips, I want to cancel my reservation due to sudden demise of my grandfather. Can you please help me?

ASSISTANT: Sure, please allow me a moment to check the status and revert you.

USER: Sure.

ASSISTANT: We found a reservation by your name. Shall I proceed to cancel?

USER: Please proceed for cancel.

ASSISTANT: Your request for cancellation has been processed.

USER: Thank you for helping me.

ASSISTANT: Thank you for reaching us.