You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, how can I assist you?

USER: I just want to cancel my reservation due to sudden demise of my grand father,. Can you help me with cancellation of my trip?

ASSISTANT: Sure, I will help you. May I know your name?

USER: I am Christine Young.

ASSISTANT: Ok, please wait a moment.

USER: Sure.

ASSISTANT: Sorry there is no reservation found in your name.

USER: Ok, no issues. Thanks for the information.

ASSISTANT: Thanks for choosing us, have a nice day.