You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you today?

USER: I am Michelle Thompson here. I need to cancel my existing reservation, which is done recently. Can you please help me out.

ASSISTANT: I am here to help you with that.

USER: Thank you for considering my request.

ASSISTANT: Sorry, there is no reservation on your name in our records.

USER: Not a big problem, anyway thank you for the information.

ASSISTANT: Thank you for reaching us.