Hello.
user
Hello.
assistant
Charles Brown here.
user
Charles Brown, how may I assist you with today?
assistant
 Due to sudden change in my trip to another location, I would like to change my reservation. Can you please help me out?
user
Yes, I will help you. Please allow me a minute while I check for your ticket details.
assistant
Ok.
user
Thanks for your time. I notice that there is no active booking on your name.
assistant
That's ok, thank you for checking about my request.
user
Thank you for reaching us. Have a great day.
assistant