Hello.
user
Hello, how may I help you?
assistant
I want to change my existing reservation, as my exam has postponed. Can you please help me with this?
user
Sure, may I know your name please?
assistant
I am Joseph Anderson.
user
Sure, may I know your airport codes?
assistant
My airport codes are DEN and IAD.
user
Ok, may I know your travelling dates?
assistant
I prefer to travel on 09/22 and 09/24. Please make sure that the connection is 1.
user
Sorry, there is no plane with 1 connection.
assistant
Ok, no problem. Thank you for your information.
user
Thank you for opting us, have a great day.
assistant