You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I help you?

USER: Can you help me to cancel my recent reservation?

ASSISTANT: Yes, can you share me your name for checking?

USER: Sure, I am Samuel Miller.

ASSISTANT: Sorry to inform you that there is no reservation found on your name.

USER: Ok, not a problem. Thank you for checking.

ASSISTANT: Thank you for reaching us.