You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I guide you today?

USER: I am trying to contact you from past 2 days, I want you to cancel my reservation as I have to prepare for my exam. Please do it for me.

ASSISTANT: Sure, I am happy to help you with that.

USER: Thank you.

ASSISTANT: Please wait for a while, I will get back to you.

USER: Sure.

ASSISTANT: May I know your name please to proceed further?

USER: Sure, my name is Michael Martin.

ASSISTANT: Michael Martin,I am sorry to sat that there is no reservation found under your name.

USER: That's fine, thank you for checking.

ASSISTANT: Thank you for choosing our agency, have a great day.