Hello.
Hello, how may I be at your service today?
 Owing to an emergency, I want to change my reservation. Can you please help me with that?
May I know your name please to check the status of your reservation?
Katherine Hall here.
Thank you. Please stay online for a while, I will check your reservation status and let you know.
Ok.
Sorry, there is no reservation matching with your name in our portal to make changes further.
Thank you.
Most welcome.