Hi.
Hello. What assistance do you need from our flight agency?
I need to change my current reservation due to urgent meeting, can you help me with that?
Yes, I can help you to do changes in your reservation. Can I know your full name please?
I am Anthony Scott.
Ok, I will check the ticket status and get back with the ticket details.
Ok.
I regret to tell you that, there is no active ticket with this name Anthony Scott to change the details.
That's ok, no issues. Thank you for your service.
You are most welcome.  Thank you for consulting our flight agency.