You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

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

ASSISTANT: Sure, I am here to assist you.

USER: Thank you for considering my request.

ASSISTANT: Please mention your name to proceed further.

USER: Myself Katherine Martinez.

ASSISTANT: Ok, please wait for a while.

USER: Sure, I will wait for your response.

ASSISTANT: Thank you for your time, No reservation was found on your name in our database.

USER: Not an issue, anyway thank you for the information.

ASSISTANT: Ok,Thank you for reaching us.

USER: Thank you for your service.