You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

USER: Can you please help me in changing my reservation as my exams got cancelled?

ASSISTANT: Sure, may I know your name for checking?

USER: Myself Ronald Martinez.

ASSISTANT: Ok, please wait for a while. I will check and let you know about your reservation status.

USER: Sure, I will wait for your response.

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

USER: Ok, no issues. Thank you for checking out.

ASSISTANT: Thank you for reaching us.