You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I assist you?

USER: Can you please help me out in cancelling my recent reservation? As my planned trip has been cancelled.

ASSISTANT: Ok, may I know your name?

USER: Sure, please check for the reservation with name Michelle Lopez.

ASSISTANT: Ok, please wait for a while. Sorry, no reservation found on your name to cancel.

USER: That's ok, thank you for giving the information.

ASSISTANT: Most welcome.\.