You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Samantha Collins.

ASSISTANT: How can I help you?

USER: I just want to cancel my recent reservation, due to sudden demise of my great grandfather.

ASSISTANT: Ok.

USER: Can you help me with cancellation?

ASSISTANT: Sure, please wait a minute.

USER: Sure.

ASSISTANT: Thanks for waiting, we did not found any reservation on your name.

USER: That's Ok, thanks for your help.

ASSISTANT: Thank you for approaching us.