You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you today?

USER: I am Rebecca Rodriguez, want to cancel my reservation. Can you help me?

ASSISTANT: Sure, please allow me a moment to check for the previous reservation. Rebecca, there is mo reservation found under your name.

USER: That's fine, thank you.

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