Hello.
Hello. How can I help you?
I am Gary Green, want to alter my recent reservation due to some emergency. Please help me out with that.
Sure, I will help you to change your reservation.
Thank you.
Please give me a moment.
Sure.
Sorry, no reservation found on your name to change your reservation.
It's ok, thank you for your help.
Welcome, have a nice day. Thank you for choosing us.