Hi.
user
Hello. How can I assist you?
assistant
Can you please help me in changing my recent reservation? As my planned trip has been postponed to some other dates.
user
Can I know your name?
assistant
Sure, my name is Barbara Perez.
user
Sorry, there is no reservation available on your name.
assistant
That's ok, thank you for giving the information.
user
You are welcome.
assistant