You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Myself Ryan Roberts.

ASSISTANT:  How can I help you today?

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

ASSISTANT: Ok, Roberts please let me know more details of your travel? I didn't found any reservation on your name.

USER: Thank you for your help.

ASSISTANT: Can I help you with anything else?

USER: No.

ASSISTANT: Thank you.