You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Jerry Perez here.

ASSISTANT: How can I assist you?

USER: I would like to cancel my reservation which was done earlier, as my exams postponed to another dates. Can you please help me out with that?

ASSISTANT: Sure, I can help you with that. Please wait for a while.

USER: Thank you. Sure, I will wait for your response.

ASSISTANT: Jerry, there is no reservation found under your name to do cancellation.

USER: That's ok, no problem. Thank you for checking out.

ASSISTANT: Thank you for reaching us.