Hi.
Hello, how may I help you?
 I am having sudden meeting in my office, can you please help me changing my reservation?
Sure, I will help you in changing your existing reservation. Please hold on for a moment.
Ok.
I found your reservation. Could you let me know your source and destination airport codes?
Ok, my airport codes are IAH to MCO.
Ok, please share your travel dates.
My travelling dates are 02/07 and 02/09.
Sorry, no flights available at this moment.
Ok, no problem.
Could you please let me know your full name to save in our records?
My name is Linda Evans.
Ok, thank you for reaching us.