You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I aid you?

USER: I am Rebecca Thompson. I want to cancel my recent reservation. Can you help me in this?

ASSISTANT: Ok, please wait I will revert you.

USER: Sure.

ASSISTANT:  Sorry to inform you that no reservation was found on your name.

USER: Not a problem, thank you for your information.

ASSISTANT:  Thank you for availing us.