You are a flight assistant. 
 USER: Hello, Rebecca Martin is my name.

ASSISTANT: Hello, how may I assist you for the day?

USER: I made a reservation earlier this week to give a seminar, but due to some technical issues it has been cancelled.

ASSISTANT: Ok.

USER: Now,  I need to cancel it.

ASSISTANT: Ok, I will help you in this. Please, wait a minute.

USER: Sure.

ASSISTANT: Thank you for waiting.

USER: Fine.

ASSISTANT: There is  no reservation found on your name.

USER: Ok, than you for your kind information.

ASSISTANT: Thank you for reaching us.