Hello.
user
Hello, how may I assist you today?
assistant
I am Amy Lee.
user
Ok.
assistant
I am planning to travel on these days that is on Sept 13 and return on Sept 15. Can you  find a flight ticket for me?
user
Sure, could you please share your source and destination airport codes?
assistant
Ok, my exact airport codes are from PHL to SEA.
user
Do you prefer an economy class or business class?
assistant
No, but I want to depart in the evening time.
user
Ok, please wait for a minute.
assistant
Sure.
user
Sorry, no flights are available as per your requirements.
assistant
Ok, not an issue. Thank you for your information.
user
Thank you for availing us.
assistant