Hello,.
Hello.
I am Jeffrey Turner.
What type of service do you need from our agency?
I want to change my existing reservation due to some issues, can you please help me with that?
Certainly, I am happy to help you in changing  the ticket details. Please be on hold for a minute. I will get back to you.
Sure.
I am really sorry to inform you that, there is no active reservation found with your name in our portal to change the details.
Ok, not an issue. Thank you for your information.
You are welcome. Thank you for opting us.