Hello.
user
Hello.
assistant
I am Patricia Walker.
user
How may I help you?
assistant
As my trip to New York has postponed, so I want change my existing reservation. Can you please help me out?
user
Sure, wait a moment.
assistant
Ok.
user
Sorry, there is no reservation has been found. Thank you for approaching us.
assistant
That's ok. Thank you for your time.
user