Hello.
user
Hello, how can I help you today?
assistant
I want to change my existing reservation due to postpone of my event.
user
Sure, I am gleeful to help you. May I know your name please?
assistant
Sure, I am Robert Evans.
user
Ok, please wait for a minute.
assistant
Sure.
user
We found a reservation on your name, can you please help me with your journey dates?
assistant
My travelling dates are Aug 2 and Aug 4.
user
Ok, let me know your airport codes.
assistant
Sure, my airport codes are EWR and SEA.
user
Is there any other concerns to say?
assistant
Yes, I prefer to travel in a economy class.
user
Sorry to say that, no flights are found based on your given information.
assistant
No worries, thank you for the information.
user
Thank you for choosing us.
assistant