You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: Melissa Phillips here. Due to inconvenience of my work, I want to cancel my reservation. Can you please help me for that?

ASSISTANT: Ok, wait for a while let me check your reservation status.

USER: Ok, I will wait.

ASSISTANT: Thanks for your time, there is no flight reserved with your name to cancel it.

USER: Anyway, thanks for the information.

ASSISTANT: Thanks for consulting us.