Hello.
Hello, how can I help you?
My name is Robert Collins.
Yes, Robert.
Due to sudden change in the plan, I would like to change my existing reservation. Can you help me?
Sure, please let me check your reservation status.
Ok.
Your reservation details are not recorded here, there is no reservation found on your name.
Its ok, I guess there is a problem in the reservation. Anyways, thank you for the information.
Yes, may be. Thank you for choosing us.