You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I guide you today?

USER: My name is Alexander Nelson, can you cancel the reservation I had done last week?

ASSISTANT: Sure, I will help you with that. Please wait a moment to check your previous reservation status.

USER: Ok, please take your own time.

ASSISTANT: We regret to inform you that, there is no reservation found on your name in our records.

USER: That is ok, thank you for the information.

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