You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I aid you?

USER: Can you please help me in changing my recent reservation?

ASSISTANT: Sure, may I know your name to check your reservation status.

USER: Myself Ryan Roberts.

ASSISTANT: Please wait for a moment. Thank you for waiting, no reservation found on your name.

USER: Ok, fine thank your checking.

ASSISTANT: Thank you for opting us.