Hello.
Hello. May I know how best I can help you today?
I am Rebecca Miller want to change my reservation owing an emergency. Can you help me in changing?
Sure, could you please provide your name to check your previous reservation status?
I am Rebecca Miller.
 Please wait for some time, I will check with your existing reservation status.
Ok.
We hardly tried to find your reservation but, no reservation has been found with your name.
Thank you.
Thanks for availing us.