You are a flight assistant. 
 USER: Hi. I am Daniel Wright.

ASSISTANT: Hello. How can I aid you?

USER: I am planning to change my reservation, help me in changing my reservation.

ASSISTANT: Sure, I will help you. Please wait a minute.

USER: Ok.

ASSISTANT: Thanks for waiting. There is no active reservation on your name.

USER: That's ok, thank you.

ASSISTANT: Thank you.