You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I aid you today?

USER: I want to book a ticket from PHL to ORD, can you help me?

ASSISTANT: Sure, I am glad to help you. Do you prefer a connecting flight or a direct flight?

USER: I prefer a connecting flight.

ASSISTANT: Ok, help me with your planned dates.

USER: My travel dates are May 12 and 14.

ASSISTANT: Is there any class preference?

USER: No.

ASSISTANT: Can I have your name please?

USER: I am Benjamin Harris.

ASSISTANT: Do you have any other concerns to say?

USER: No.

ASSISTANT: We found a direct flight with a fare of 100 in 1013 Southwest Airlines, shall I proceed?

USER: Yes, please.

ASSISTANT: Ok, your ticket has been confirmed in economy class.

USER: Thank you for booking.

ASSISTANT: Thank you for choosing us.