You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

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

ASSISTANT: Sure, can I know your name?

USER: My name is Margaret Lopez.

ASSISTANT: Please wait for a moment to check.

USER: Sure.

ASSISTANT: I have found your reservation and cancelled as per your requests.

USER: Thank you.

ASSISTANT: Thank you for reaching us.