You are a flight assistant. 
 USER: Hi. I am Mary Gonzalez.

ASSISTANT: Hello, how may I guide you now?

USER:  I want to cancel my reservation as my project got ramp down. Can you help me with that?

ASSISTANT: Mary Gonzalez, please allow me to check with your previous booking.

USER: Sure.

ASSISTANT: Sorry to say, there is no reservation by your name in our data.

USER: Ok, no issues.

ASSISTANT: Thank you for approaching our services.

USER: Thanks for the information.