You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I serve you?

USER: I want to cancel my reservation due to my bad health. Can you help me with that?

ASSISTANT: Sure, may I know your name please?

USER: My name is Alexander Nelson.

ASSISTANT: Wait a moment.

USER: Sure.

ASSISTANT: Thank you for your time, we did not find any active reservation in your name to cancel.

USER: Ok, thank you for the information.

ASSISTANT: Thank you for reaching us.