Hi.
user
Hello. How may I assist you now?
assistant
  I am Kathrine Miller. Can you reserve a seat for me from SEA to PHL, to meet my parents?
user
Ok. May I have your journey dates?
assistant
My planned dates are from 03/20 and 03/22.
user
Do you have any specifications?
assistant
Yes, I am looking for single connection limit.
user
Thanks for your details. Unfortunately, we have no flights that matches with your information.
assistant
It's ok, thanks for checking.
user
Thank you for opting us.
assistant