You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I serve you?

USER: I want to cancel my recent reservation. Can you please help me out?

ASSISTANT: Ok, may I know your name?

USER: Sure, my name is Deborah Miller.

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

USER: Ok, no problem. Thank you for your information.

ASSISTANT: Thank you for reaching us.