Hello.
user
Hello. How can I aid you?
assistant
I want to change my existing reservation due to sudden change in my trip dates. Can you help me with that?
user
Sure, I am here to help you in changing your existing reservation.
assistant
Thank you.
user
Please, be on hold. Let me know your name to proceed further.
assistant
I am Jonathan Williams.
user
Sorry Williams, we did not found any reservation on your name.
assistant
Ok, no problem. Thank you.
user
Thank you for reaching us.
assistant