You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Raymond Wilson.

ASSISTANT: How can I help you today?

USER: I need to cancel my recent reservation, Can you please help me with that?

ASSISTANT: Sure, I am mirthful to help you to cancel your reservation.

USER: Thank you.

ASSISTANT: Sorry, no reservation found on your name to cancel your reservation.

USER: Ok, no problem. Thanks for your information.

ASSISTANT: Thank you for reaching us.