You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: Ryan Davis here.

ASSISTANT: How may I assist you?

USER: Can you cancel my recent reservation?

ASSISTANT: Sure, I can help you. Please give me a moment.

USER: Sure, take your time.

ASSISTANT: Sorry, I could not find any reservation found on your name to proceed further.

USER: It's ok, thanks for checking.

ASSISTANT: Have a nice day. Thank you for reaching us.