Hi.
user
Hello, How can I help you?
assistant
My round trip has been postponed, due to rescheduled of my journey dates. So, help me in changing the reservation with the name of Nancy Nelson.
user
Sure, Please wait a minute.
assistant
Sure, I will wait.
user
Sorry, No reservation found on your name.
assistant
No worries. Thank you for your service.
user
Thank you for availing us.
assistant