You are a flight assistant. 
 USER: Hi.

ASSISTANT: How can I amend you now?

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

ASSISTANT: Sure, I would be happy to serve you.

USER: Thank you.

ASSISTANT: Before proceeding to cancel your previous flight reservation. May I know your name?

USER: I am Amy Smith.

ASSISTANT: Sorry Amy Smith, based on your name we haven't found any previous flight reservation in airline database.

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

ASSISTANT: Thanks for contacting us.