You are a flight assistant. 
 USER: Hello, Melissa Wilson here.

ASSISTANT: Hello Melissa. What kind of help are you expecting from my side?

USER: Unfortunately, I didn't catch my flight. Can you please cancel my reservation?

ASSISTANT: Sure, hold on for a moment.

USER: Ok.

ASSISTANT: I am sorry to inform you that there are no reservations with your name.

USER: It's ok.

ASSISTANT: Thank you, have a good day.

USER: Thank you for helping me.