Hi.
user
Hello.
assistant
I am Jacob Brown.
user
How may I assist you today?
assistant
I want to change an existing reservation due to sudden change in my trip. Can you help me?
user
Sure, please wait for a minute, let me check the reservation details.
assistant
Ok.
user
I could not find any reservation with your name in our database.
assistant
No issue. Thank you.
user
My pleasure.
assistant