Hi. I am George Nelson.
user
Hello, do you need any assistance from us?
assistant
As my exam is postponed, I want to change my existing reservation. Can you help me?
user
I have found your reservation, please tell us your new trip dates.
assistant
My airport codes are ORD to LAS.
user
Ok, may I know your travelling dates?
assistant
My travelling dates are 07/25 to 07/27.
user
The UA airline with flight number 1009 is available having price as 100 and connection as 1.
assistant
You can book it.
user
Ok, your reservation is done.
assistant
Thank you for the quick service.
user
Thank you for choosing us.
assistant