Hello.
user
Hello. How may I assist you?
assistant
Laura Nelson here. Due to sudden change in climate, I want to change my existing reservation. Can you please help me with this?
user
Sure, I will help you.
assistant
Thank you.
user
Please wait a moment, I will check the reservation data list.
assistant
Sure.
user
Sorry Laura Nelson, there is no reservation on  your name.
assistant
Ok, no problem.
user
Thank you.
assistant
Thanks for your help.
user