You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I aid you today?

USER: I am Paul Green. I need to cancel my recent reservation as my exams got cancelled, can you please help me with that?

ASSISTANT: Sure, please wait for a while I will check the update.

USER: Sure.

ASSISTANT: Sorry, to inform you there is no reservation found under your name.

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

ASSISTANT: Thank you for choosing us.