Hi.
user
Hello. How may I aid you?
assistant
I am David Parker here, I want to change my existing reservation because of some problem, can you please help me in this condition?
user
Sure, please wait a minute.
assistant
Ok, take your time.
user
There is no reservation found under your name.
assistant
That's fine, I will try with the another agency. Anyways, thank you for your service.
user
Most welcome.
assistant