You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I aid you today?

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

ASSISTANT: Sure, we are here to help you.

USER: Thank you.

ASSISTANT: Can I have your name to proceed further?

USER: I am Dorothy Harris.

ASSISTANT: Ok, please wait a moment.

USER: Sure.

ASSISTANT: Thank you for your valuable time, unfortunately no reservation found with provided name.

USER: Ok, no issues. Thanks for the information.

ASSISTANT: Thank you for availing us.