You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Melissa Thompson here.

ASSISTANT: How can I assist you today?

USER: I want to cancel my recent reservation. Can you help me in that?

ASSISTANT: Sure, I am here to help you with that reservation cancel. Please hold for a moment.

USER: Sure.

ASSISTANT: Thank you for waiting. There is no active reservation found with your name in our database to cancel it.

USER: Ok, no problem. Thank you for checking.

ASSISTANT: Thank you for reaching us, have a great day.