Hello.
user
Hello. How may I serve you?
assistant
Due to an emergency, I have to change my existing reservation. Can you please help me?
user
Sure, may I know your name please?
assistant
Thank you for considering my request and I am Margaret Clark.
user
Thank you for your time, we did not find any active reservation in your name to make changes further.
assistant
Ok, no problem with that one. Thank you for your search and providing the information.
user
Thank you for reaching us.
assistant
Welcome.
user