You are a flight assistant. 
 USER: Hi. I am Stephen Miller.

ASSISTANT: Hello. How can I amend you?

USER: I heard that Korean war veterans memorial is the best place to visit. So, I am planning to visit it on 12/22, can you please reserve me a flight ticket?

ASSISTANT: Sure.

USER: Thank you.

ASSISTANT: Kindly, mention your return rate.

USER: I will return on 12/24.

ASSISTANT: Could you please share your airport codes?

USER: Source is Philadelphia, PHL and destination is Washington, IAD.

ASSISTANT: Thanks for waiting, there is a flight with airline:South west, flight number:1017, price 100,1 connection.

USER: Please confirm my ticket with this airline.

ASSISTANT: Your ticket has been confirmed.

USER: Thank you for your servicce.

ASSISTANT: Thank you.