You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you today?

USER: I want to meet my childhood friend at PHL. Can you please help me to book a flight from SEA?

ASSISTANT: Sure, let me know your travel dates please?

USER: Sure, I want to depart on Aug 9 and need to return on Aug 11.

ASSISTANT: Do you have any airline preference?

USER: I would like to fly in an normal-cost airline.

ASSISTANT: May I know your connection limit?

USER: I do not have any connection limit.

ASSISTANT: Do you need any other specifications?

USER: No.

ASSISTANT: Can I know your name please?

USER: Sure, my name is Linda Clark.

ASSISTANT: United  Airlines is providing connecting flight with the ticket fare of 100 and depart time is 02:00 AM, arrival time is 20:00 PM. Shall I proceed?

USER: Ok, please proceed.

ASSISTANT: Your ticket has been confirmed by flight number 1012 and an economy class.

USER: Thank you.

ASSISTANT: Thanks for choosing us.