Hello. I am Larry Miller.
user
Hello, how can I support you now?
assistant
I want to modify my journey dates in existing reservation due to postpone of my trip. Assist me to modify my reservation.
user
Ok, then please wait. I will check your reservation for modification.
assistant
Okay.
user
Sorry, no active reservation has been found with your name.
assistant
Ok, thanks for informing.
user
Thanks for reaching us, have a nice day.
assistant