You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I am Ashley White here. I want to cancel my recent reservation, as my exams got postponed. Can you please help me out with it?

ASSISTANT: Sure, please wait for a while.

USER: Ok, sure.

ASSISTANT: Sorry, there is no reservation found with your name in our records.

USER: Ok, not a problem. Thank you for the information.

ASSISTANT: My pleasure.