Hello.
user
Hello, may I know how best I can help you today?
assistant
I want to change my existing reservation due to bad weather conditions at my source. Can you please help me with this?
user
Sure, I can change your reservation right now. Before that I need to know your good name please?
assistant
Stephen Hall here.
user
 Thank you. Please stay online for a while, I will check your reservation status and let you know.
assistant
Sure.
user
Sorry to say that, there is no active reservation found on your name.
assistant
Ok, no problem. Thank you for the information.
user
Thank you for reaching us.
assistant