Hello.
user
Hello, how may I guide you?
assistant
Can you please help me in changing my reservation as my trip is postponed to other dates because of sudden health problem?
user
Sure, can I know you name?
assistant
My name is Samuel Lopez.
user
I'm sorry, there are no reservations with your name.
assistant
That's so sad. Thank you for your time.
user
Thank you, have a good day.
assistant