You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

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

ASSISTANT: Sure, please provide your name to fetch from our database.

USER: I am Christine Martinez.

ASSISTANT: Wait for a moment.

USER: Sure.

ASSISTANT: We regret to inform you that there is no active reservation found on your name.

USER: Ok, no problem.

ASSISTANT: Thank you for contacting us.

USER: Thank you for checking.