Hello.
Hello, how can I help you today?
I am very busy with my meetings, so I am not able to complete my trip. Can you please help me in changing my existing reservation?
 Sure, can you please mention your name to check your reservation details in our database?
Ok, my name is Christine Thomas.
Please wait a moment.
Ok.
Sorry, I did not find any reservation by your name in our database.
That's ok, thank you for the response.
Thanks for reaching us.