You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: I want cancel my recent reservation, can you please help me with this? I am Gregory Lee.

ASSISTANT: Sure Gregory.

USER: Could you check is there any available to cancel my reservation?

ASSISTANT: Please wait a moment. Sorry, there is no reservation found under your name.

USER: Thank you for your good information.

ASSISTANT: Thank you for reaching us, have a good day.