You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Myself Ryan Jackson.

ASSISTANT: How may I assist you?

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

ASSISTANT: Ok, please wait.

USER: Ok.

ASSISTANT: Sorry Ryan Jackson, there is no reservation done on your name.

USER: It's ok. Thank you and have a nice day.

ASSISTANT: Thank you for choosing our agency.