You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you today?

USER: I am Paul Martin. I want to cancel my recent reservation, due to sudden demise of my grand father. Can you please help me with this?

ASSISTANT: Please wait a moment, let me check the details in our database.

USER: Sure.

ASSISTANT: We found your details with us. I have successfully cancelled your ticket and your refund will be in two working days.

USER: Thank you.

ASSISTANT: Thank you for choosing our service.