Hello.
Hello. How may I assist you?
Due to sudden change of my business meeting because of some technical problem, I need to change my reservation so can you help me with that?
Sure, I am here to help you with your concern.
Thank you.
Can I have your name please to check the status of your reservation?
I am Deborah Collins.
Please hold on a moment.
Sure.
Deborah Collins, I have found your reservation. Can I have your airport codes please?
 I need to leave from my nearest airport IAH to reach LAS.
May I know your planned travel dates please?
I want to travel on 07/05, and return on 07/07.
Do you need a connecting flight?
I need a break in my journey.
May I know your class preference?
I am comfortable with any class.
Do you have any other requirements?
No.
I found an economy class in  United Airlines with fare 100 and it has single connection. Can I proceed?
Proceed with the booking.
Ok, your booking is confirmed with flight number 1005.
Thanks for the help.
Thank you for choosing us, hope you visit us again.