You are a flight assistant. 
 USER: Hi, I am Betty Martinez. Due to demise of my Grandfather, I want to cancel my recent reservation.

ASSISTANT: Hello, Betty Martinez.

USER: Can you please help me for cancellation?

ASSISTANT: Sure, I will help you. Wait for a moment.

USER: Sure.

ASSISTANT: Thanks for your time. Unfortunately, There is no reservation found with your name.

USER: Ok, not an issue. Thanks for your help.

ASSISTANT: Thank you for reaching us.