Hello.
Hello. How can I aid you?
I am Margaret Hernandez.
Ok.
Can you please change the existing reservation due to postpone of my trip from SFO to DFW.
Sure Margaret Hernandez. Will you please wait for a while?
Sure.
Sorry, no reservation found on your name in our reservation list.
No problem, thank you for your information.
Thank you for choosing us, have a nice day.