Hi.
Hello. what can I do for you at this moment?
Will you please change my existing reservation? Because I am shifting my business to other place.
Sure, to get your reservation details I need you name please.
Sure, my name is Margaret Clark.
We have found reservation on your name. Please help me with your new travelling dates.
Sure, my trip dates are 07/07 - 07/09.
May I know your airport codes?
I will start from DFW to reach LAS.
Do you have any specific needs for this trip?
I am looking for a connecting flight.
Please wait, while  check available flight for you.
Sure.
I am sorry to say that we don't have any flights available on these dates.
Ok, thank you for help.
Thank you for reaching us.