You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you today?

USER: I am Alexander Anderson. Can you please assist me in cancelling my reservation?

ASSISTANT: Sure, please wait for a moment.

USER: Ok.

ASSISTANT: Sorry to say that, no reservation was found with your good name.

USER: It's ok, thank you for your kind information.

ASSISTANT: Thank you for reaching us.