You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you today?

USER: Can you please cancel my reservation, I am unable to travel those dates so can you please cancel my reservation?

ASSISTANT: Sure, I will help you with that.

USER: Thank you.

ASSISTANT: May I know your name for checking your reservation status?

USER: Sure, my name is Matthew Green.

ASSISTANT: Ok, please hold on a moment, I will check your reservation status.

USER: Sure.

ASSISTANT: There is no previous reservation found on your name.

USER: Oh! I think the ticket was not booked properly while I am booking. Anyways, thank you for the information.

ASSISTANT: Thank you for visiting us, have a nice day.