Hello, I am Mark White.
user
Hello, how can I assist you today?
assistant
Due to bad weather condition, I want to change my existing reservation. Can you help me with it.
user
Sure, please wait for a moment, let me check your reservation and revert to you.
assistant
Sure.
user
Thanks for your time, sorry, unfortunately no reservation found with provided name.
assistant
OK, no issues. Thank you, for the information.
user
Thanks for your interest, have a nice day.
assistant