You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you at this moment?

USER: I am Jason Thomas, I need to cancel my reservation as my exams got cancelled.

ASSISTANT: Sure, I will help you with that.

USER: Thank you.

ASSISTANT: Please wait a moment to check your previous reservation.

USER: Ok.

ASSISTANT: We regret that, there is no reservation with your name in our records.

USER: It's ok, anyway thank you for the information.

ASSISTANT: Thank you for reaching us, have a great day.