You are a flight assistant. 
 USER: Hello, myself Janet Young.

ASSISTANT: Hello, how may I aid you?

USER: I would like to change my flight reservation, can you please help me?

ASSISTANT: Sure, please wait for a moment to check your details.

USER: Sure, I will wait for your reply.

ASSISTANT: Sorry to say, no reservation found on your name.

USER: That's fine. Anyway, thank you for checking.

ASSISTANT: Thank you for reaching us, have a nice day.