Hello.
user
Hello. How may I assist you today?
assistant
I am planning to change my existing reservation. Can you please help me for this?
user
Sure, may I know your name?
assistant
Myself Timothy Mitchell.
user
Please wait a moment.
assistant
Sure.
user
Sorry, there are no active reservations on your given name to change.
assistant
Not a big deal, anyhow thank you very much for your kind information.
user
Thank you for reaching our service.
assistant