Hi.
Hello. How can I assist you at this moment?
Can you please help me in changing my recent reservation?
Sure, I am happy to help you with that.
Ok.
Can I have your name please for checking your reservation status?
Myself Jonathan Mitchell.
Ok, please wait a moment.
 Ok.
Yes, I have found your reservation so please let me know airport codes of your new locations.
My source is IAD and destination is PHL.
Can I have your travel dates please?
My trip dates are 09/05 to 09/07.
Please wait for a second.
My travelling dates are 09/05 and 09/07. Ok.
Sorry Jonathan Mitchell, no flight is available to you on your dates.
Ok, fine thank you for checking.
Thank you for choosing us, have a good day.