Hello.
user
Hi,. How Can I help you ?
assistant
I want to change an existing reservation, could you please help me out?
user
Sure. May I know your details please.
assistant
I am Rebecca Baker.
user
Just a second please .
assistant
Sure.
user
I am sorry I cannot find your reservation .
assistant
So sad. Anyway, thank you for helping me.
user
Thank you .
assistant