Hi.
user
Hello, How can I assist you?
assistant
I rescheduled my travelling dates, for this I want to change my reservation.
user
Ok.
assistant
Will you help me in this with the name  of James White?
user
Sure, I am mirthful to help you. Please standby, I will check the reservation with your name.
assistant
Ok.
user
We found that, there is no reservation available with your name.
assistant
No problem. Thank you for your service.
user
Thank you for reaching us.
assistant