You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I help you?

USER: I am Linda Gonzalez. Can you help me for cancelling my recent reservation, because I am not ready to attend my semester exams?

ASSISTANT: Sure, just a moment please.

USER: OK.

ASSISTANT: I am sorry no reservation found on your name.

USER: Oh! It's ok no problem, thank you for your services.

ASSISTANT: Thank you for choosing us.