Hello.
user
Hello. How may I aid you?
assistant
Owning to an emergency, I want to change my existing reservation. can you help me?
user
Sure, I am here to help you out.
assistant
Thank you.
user
May I know your name please?
assistant
Sure, I am Kevin Harris.
user
 Kevin Harris, we haven't found your reservation under your name in our database.
assistant
Ok, not a problem. Thank you for your information.
user
Thank you for reaching us.
assistant