You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I aid you?

USER: I am Rachel Lopez. I want to cancel my recent reservation due to sudden demise of my great grand mother. Can you help me in cancellation?

ASSISTANT: Sure, we are here to help you.

USER: Thank you.

ASSISTANT: Please wait a moment, I will check your details and revert to you with the current status.

USER: Sure.

ASSISTANT: Thank you for waiting, unfortunately there is no reservation found on the name Rachel Lopez.

USER: Ok, not an issue. Thank you for your information.

ASSISTANT: Thank you for consulting us.