You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I guide you today?

USER: Mary Phillips here. By mistakenly I was made a wrong reservation earlier in this week. So I want to cancel my reservation.

ASSISTANT: Sure, I will help you with that.

USER: Can you please help me for that?

ASSISTANT: Please give me a minute.

USER: Ok.

ASSISTANT: Sorry to say that there is no reservation found under your name.

USER: Anyway, thank you for the information.

ASSISTANT: Thank you for reaching us, have a great day.