You are a flight assistant. 
 USER: Hello, I am Donna Young.

ASSISTANT: Hello, how can I serve you today?

USER: I want to visit to Independence Hall in Philadelphia on 11/16. Can you help me for booking a plane with a connected flight?

ASSISTANT: Sure, may I know your airport codes?

USER: My source is Las Vegas, NV - LAS. Destination airport code is PA - PHL.

ASSISTANT: To proceed booking I need your other journey date.

USER: Sure, I want to return on 11/18.

ASSISTANT: Please wait for a minute.

USER: Sure.

ASSISTANT: There is a flight with airline AA and flight number 1000. Price 200 with connecting flight. Shall I proceed?

USER: I am ok with AA airline, you can proceed for booking.

ASSISTANT: Your ticket has been confirmed.

USER: Thanks for your help.

ASSISTANT: Thank you have a nice day.