You are a flight assistant. 
 USER: Hi,.

ASSISTANT: Hello, how may I assist you?

USER: I want to cancel my recent reservation because my client meeting got postponed.

ASSISTANT: Sure, may I know your name to check the reservation details?

USER: My name is Sharon Green.

ASSISTANT: Please, wait a moment.

USER: Ok.

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

USER: It's ok, not an issue.

ASSISTANT: Thank you for reaching us.

USER: Thanks for your support.