Hi,.
user
Hello, how could I assist you now?
assistant
I want to change my existing reservation due to postpone of my document verification. Can you help you?
user
Sure, I am happy to help you best. May I know your name to check your reservation?
assistant
I am Donald Baker.
user
Thank you.
assistant
Ok.
user
We hardly tried to find your reservation but, no active reservation has been registered with us.
assistant
Ok, thank you.
user
Thanks for communicating with us.
assistant