You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you for now?

USER: Barbara Hernandez here. I was made a reservation earlier in this week. But I want to cancel my reservation. Can you please help me for that?

ASSISTANT: Ok, can you give me a moment to check with your previous reservation.

USER: Ok, I will wait.

ASSISTANT: Thank you for waiting patiently.

USER: My pleasure.

ASSISTANT: I am very sorry to inform you about your reservation status, as no reservation was found in our data base.

USER: Anyway, thank you for the information.

ASSISTANT: Barbara Hernandez, thank you for choosing our services. Have a nice day.