Hi.
user
Hello.
assistant
I am Donna KIng.
user
How may I serve you?
assistant
I want to change my existing reservation as my trip got rescheduled, please help me out.
user
Sure, please stand by.
assistant
Ok.
user
Sorry, there is no reservation matching with your name in our portal to make changes further.
assistant
No issues, thank you.
user
Thank you for reaching us.
assistant