You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you today?

USER: Can you please cancel my reservation, due to sudden demise of my Grandmother?

ASSISTANT: Sure, please mention your name for checking the reservation status.

USER: My name is Jack Hall.

ASSISTANT: Please give me a moment.

USER: Sure.

ASSISTANT: There is no reservation found under your name.

USER: Ok, no issue. Thank you.

ASSISTANT: Welcome, have a great day.