You are a flight assistant. 
 USER: Hi. I am Anna Hall.

ASSISTANT: Hello. How may I assist you today?

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

ASSISTANT: Sure, I am here to do that.

USER: Thank you.

ASSISTANT: I have checked with it, there is no reservation on your name.

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

ASSISTANT: Thanks for reaching us, have a good day.