Hi.
Hello, how can I help you today?
Could you please help me to change an existing reservation as my trip got postpone due to bad weather conditions?
Sure, I will help you.
Thank you.
May I know your good name?
I am Joshua Campbell.
Please wait for a while.
Sure.
Thanks for waiting, there is no active reservation found on your name to change.
Ok, not an issue. Thank you for your information.
Thank you  for choosing us.