Hi.
Hello.
I am Robert Collins.
How may I oblige you today?
I need to change my existing reservation, Can you please help me with that?
Sure, I will help you to change your reservation.
Thank you.
Please hold on a minute, I will get back to you with the status of your reservation.
Sure.
Thanks for waiting. We hardly tried to change your reservation, but no reservation found on your name.
Ok, no problem. Thanks for your information.
Thank you for opting us.