You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I aid you?

USER: I am Justin Taylor. I need to amend my reservation, can you help me out?

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

USER: Ok, take your own time.

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

USER: That's ok, no problem. Thank you for your information.

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