You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I assist you?

USER: I want to cancel my reservation which is done recently, can you please help me?

ASSISTANT: Sure, I will help you. Please wait a moment.

USER: Thank you.

ASSISTANT: May I know your name please?

USER: Sure, my name is Melissa Thompson.

ASSISTANT: Thompson, no reservation has been found on your name in our records. Thank you for reaching us.