You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, How can I assist you?

USER: I want to cancel my recent reservation as my plan to meet my girl friend got post pone due to my health issues. Can you help me in cancellation?

ASSISTANT: Sure, May I know your name?

USER: I am Kevin Walker.

ASSISTANT: Please wait a second.

USER: Sure.

ASSISTANT: Sorry, No reservation found on your name.

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

ASSISTANT: Thank you for availing us.