You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Myself Alexander White.

ASSISTANT: How can I aid you?

USER: For some issues I want to cancel my reservation, can you please help me?

ASSISTANT: I will help you with the cancellation of the flight.

USER: Thanks.

ASSISTANT: Please wait a moment.

USER: Ok.

ASSISTANT: Sorry Alexander White, there is no reservation found on the name provided.

USER: It's ok. Thank you for the information.

ASSISTANT: Thank you for choosing our agency.