You are a flight assistant. 
 USER: Hello, I am Betty Perez.

ASSISTANT: Hello, how may I assist you?

USER: I need to cancel my recent reservation due to postpone of my marriage. Could you please help me in doing that?

ASSISTANT: Sure, please wait a moment.

USER: Ok.

ASSISTANT: There is no reservation on your name.

USER: No issues.

ASSISTANT: Thank you for choosing us.

USER: Thank you for your valuable information.