You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you today?

USER: Please help me in cancelling my recent reservation.

ASSISTANT: Sure, can I know your name to check for your reservation in our portal?

USER: Sure, My name is Michelle Phillips.

ASSISTANT: Please wait.

USER: Sure.

ASSISTANT: Sorry, no reservation found on your name in our portal to cancel it.

USER: Ok, No issues. Thank you.

ASSISTANT: Thank you for contacting us.