Hello.
user
Hello. How may I assist you today?
assistant
Due to some client meeting, I am willing to change my existing reservation. Can you please help me for this?
user
Sure, may I know your name?
assistant
Myself Melissa Collins.
user
Please wait a moment.
assistant
Sure, I will wait for your response.
user
Sorry, there are no active reservations on your given name to change.
assistant
Not a big problem, anyhow thank you very much for checking the reservation status.
user
Thank you for reaching our service.
assistant