Hello.
user
Hello. How can I help you today?
assistant
I am Cynthia Edwards. I am planning to change an existing reservation, due to some urgent work. Can you please change my ticket?
user
Ok, give me a moment to check with your reservation.
assistant
Sure,  I will wait.
user
So sorry to inform you, there is no reservation found in our data base by the name of Cynthia Edwards.
assistant
That's fine.
user
Thank you for reaching us for your help.
assistant
Thank you for your service.
user
Most welcome.
assistant