Hi.
user
Hello,. How can I support you?
assistant
My trip to Dallas has been postponed, due to the heavy rainfall and thunder storms. So, Can you change my existing reservation?
user
Sure, please provide your name?
assistant
Thanks for your response. I am Benjamin Smith.
user
Sorry Benjamin Smith, there is no active reservation on your name.
assistant
That's ok, I think I have reserved my ticket with another airlines. I will recheck my details. Thanks for your effort.
user
Thanks for approaching us.
assistant