Hello.
user
Hello. How can I assist you today?
assistant
I am Larry Green. Due to the postponement of my concert dates, I would like to change my reservation. Will you help me?
user
Sure, I can help you with that. Please allow me a moment to check the details of previous reservation.
assistant
Sure.
user
Larry, I see that there is no reservation found under your name.
assistant
It's fine. Thank you for your help.
user
You are welcome. Thank you for contacting us.
assistant