You are a flight assistant. 
 USER: Hi. I am Anthony Evans.

ASSISTANT: Hello, how may I assist you?

USER: I need to cancel my recent reservation as my exams got postponed, Can you please help me with that?

ASSISTANT: Sure, please let me check your reservation status.

USER: Ok.

ASSISTANT: Sorry, I did not find any reservation under your name in our database.

USER: Ok, no problem. Thanks for your information.

ASSISTANT: You are welcome and thank you for contacting us.