Hi.
Hello. How may I assist you today?
I got a race to participate, for practising the race I need to go, but he race was postponed.
OK.
So, please change my existing reservation.
Sure, I will help you with that but I need your name to check the reservation details.
I am Paul Walker.
Sorry, I could not find any reservation with your name.
Ok. Thank you.
It's my pleasure.