You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you today?

USER: Please cancel my recent reservation due to some health issues?

ASSISTANT: Sure, I am here to help you. Can you please help me with your name?

USER: Sure, I am Alexander Gonzalez.

ASSISTANT: Please wait for a while.

USER: Sure.

ASSISTANT: Sorry, there is no reservation found on your name in our reservation database.

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

ASSISTANT: Thank you for choosing us.