Hi.
user
Hello, how may I oblige you today?
assistant
Could you please change my existing reservation?
user
Sure, I can change your reservation right now. Before that I need to know your good name please?
assistant
I am Scott Edwards.
user
 Thank you. Please stay online for a while, I will check your reservation status and let you know.
assistant
Sure.
user
Sorry to say that, there is no active reservation found on your name.
assistant
No problem, thank you.
user
Thank you for choosing us.
assistant