You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

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

ASSISTANT: Sure, please wait a moment.

USER: Thank you for considering my request. Sure, I will wait for your response.

ASSISTANT: Sorry, there is no active reservation on your name.

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

ASSISTANT: Thank you.

USER: Thank you for your service.