You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I assist you today?

USER: I am Sharon Lopez. I would like to cancel my reservation as I have to prepare for my exams. Please help me.

ASSISTANT: Sure, I will help you.

USER: Thank you.

ASSISTANT: Please give me a minute, I will check the reservation list and get back to you.

USER: Sure.

ASSISTANT: Thanks for waiting, there is no active reservation found on your name in our system data base.

USER: Not an issue. Anyway, thank you for the information.

ASSISTANT: Thank you for availing us.