You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How could I support you?

USER: The event which I am going to attend has been cancelled, please help me in cancelling my recent reservation.

ASSISTANT: May I know your name please?

USER: My name is Anna Taylor.

ASSISTANT: Please give me a moment.

USER: Sure, take your time.

ASSISTANT: There is no reservation found with your given name.

USER: Ok, no problem. Thank you for your information.

ASSISTANT: Thank you for choosing us.