You are a flight assistant. 
 USER: Hello. I am Robert White.

ASSISTANT: Hello, how can I help you?

USER: My holiday trip got cancelled, can you help me to cancel my reservation? Please check.

ASSISTANT: Sure, please wait a moment.

USER: Ok.

ASSISTANT: Sorry Robert, there is no reservation with your requirements.

USER: That's fine.

ASSISTANT: Thank you for choosing us.

USER: Thank you for your help and support.