You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you?

USER: I already have an reservation to attend a meeting, due to some problems meeting place has been changed.

ASSISTANT: Ok.

USER: So I need a few changes in my reservation with the name of Steven Campbell.

ASSISTANT: Sure.

USER: Thank you.

ASSISTANT: Please wait for a while, I will check your reservation.

USER: Sure, I will wait.

ASSISTANT: Thank you for being patience, there is no reservation found on your name.

USER: No worries. Thank you for your kind information.

ASSISTANT: Thank you for approaching us.