Hello,.
user
Hello, how can i assist you?
assistant
I am Stephen Walker. Find a flight for me from New York, NY-EWR as I am going to see my new born nephew.
user
Can I have your Destination codes and travelling dates?
assistant
I will fry on 02/22 to San Francisco, CA-SFO and returning on  02/24.
user
Is there any specifications?
assistant
I need a flight with only one connection.
user
Ok, wait for a while.
assistant
Ok.
user
I am sorry to say that, there is no flight as you required?
assistant
Thanks for the information.
user
Thanks for reaching us.
assistant