Hello,.
user
Hello, how can I provide assistance to you?
assistant
I am Nancy Lopez. Owing to an emergency I want to change my existing reservation, can you please help me with that?
user
Sure. Please wait for a while, I will check your reservation. Thank you for being patience, there is no reservation found on your name.
assistant
Ok, no issues. Thanks for your service.
user
Thank you for reaching us.
assistant