You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, How can I assist you today?

USER: I want to cancel my recent reservation due to my health issue so, can you please help me with this?

ASSISTANT: Sure, I am here to help you.

USER: Thank you.

ASSISTANT: May I have your name please?

USER: My name is Brandon Carter.

ASSISTANT: Please wait.

USER: Sure.

ASSISTANT: Thanks for waiting, we did not find your name in the reservation list to proceed next.

USER: No problem, thank you.

ASSISTANT: Thank you.