Hello.
user
Hello, may I know your name?
assistant
I am Eric Brown.
user
How can I help you today?
assistant
I would like to travel on 08/16 to 08/18.Can you please check the availability of flight ticket?
user
Sure, may I know your source and destination?
assistant
My airport codes are from  PA-PHL to WA-SEA.
user
Do you have any connection limit?
assistant
I need a flight with 1 connection.
user
Do you have any price limit?
assistant
 Book me a flight ticket under 5000.
user
Ok, please give me some time.
assistant
Ok.
user
Thanks for waiting, we found a AA-airline with flight number-1018 that matches your requirement.
assistant
You can proceed with this airline.
user
Your ticket is confirmed.
assistant
Thank you for your service.
user
Thanks for picking us, have a safe journey.
assistant