You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, what can I do for you today?

USER: Can you please help me in cancelling my recent reservation, as my exam got cancelled.

ASSISTANT: Sure, let me know your name to proceed further?

USER: Myself, Justin Lopez.

ASSISTANT: Please wait.

USER: Ok.

ASSISTANT: Sorry, no reservation found on your name.

USER: Ok, no issues. Thank you.

ASSISTANT: Thank you for contacting us.