You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Myself Raymond Johnson.

ASSISTANT: How may I help you, Johnson?

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

ASSISTANT: Sure Raymond, please wait for a minute.

USER: Ok.

ASSISTANT: Johnson, there is no reservation found with your details.

USER: It's ok, thank you for the information.

ASSISTANT: Thank you for choosing us, have a good day.