You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I assist you today?

USER: I want to cancel my recent reservation as my plan to meet my girlfriend got postpone due to my health issues. Can you please help me?

ASSISTANT: Sure, may I know your name?

USER: I am Alexander Wilson.

ASSISTANT: Please wait a moment.

USER: Sure.

ASSISTANT: Sorry, there no reservation on your name.

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

ASSISTANT: Thank you.