You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: Can you help me in cancelling my recent reservation?

ASSISTANT: Sure, please mention your name to check your reservation details in our database.

USER: My reservation is done with the name Nancy Roberts.

ASSISTANT: Sorry, I did not find any reservation by your name in our database.

USER: Its ok, thank you.

ASSISTANT: Thank you for reaching us.