Hello.
user
Hello. How may I help you at this moment?
assistant
Myself Richard Scott, I am willing to change my existing reservation. Can you please help me in changing the reservation?
user
Sure Scott, please wait for a minute.
assistant
Sure, I will wait for your response.
user
I could not find any reservation with your name in our database.
assistant
Not a big deal, anyhow thank you very much for your service.
user
Thanks for choosing us.
assistant