Hello.
user
Hello. How may I assist you today?
assistant
My name is Melissa Collins. I want to change my existing reservation, can you please help me in doing that?
user
Please wait a moment, let me check with your details.
assistant
Sure.
user
Sorry, there are no active reservations to change on your name.
assistant
No problem, thank you for your time.
user
Thank you for reaching our service.
assistant