Hello.
Hello. How can I assist you?
Unfortunately, I want to change my existing reservation which is done recently due to some problem, can you please help me in this condition?
Sure, can I know your name please?
Ok, my name is Andrew Hall.
Ok, wait a moment please.
Sure, take your time.
Sorry Hall, there is no reservation found on your name.
Ok, no problem. I will try with the another travelling agency.
Thank you for approaching us.