You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I assist you today?

USER: I need to book a flight ticket from  ORD to PHL, Can you please help me for booking?

ASSISTANT: Sure, may I know your travel dates please?

USER: I would like to travel on 10/14 to return on 10/16.

ASSISTANT: Is there any timings preference?

USER: No.

ASSISTANT: Any other requirement to be met?

USER: I need a connecting flight.

ASSISTANT: Can you mention your name to proceed further?

USER: Larry Hall here.

ASSISTANT: Delta Airlines has a connecting flight with number 1002 for fare 100, shall I proceed?

USER: Ok, proceed for booking.

ASSISTANT: Your ticket is reserved in economy class.

USER: Thanks for your information.

ASSISTANT: Thank you for opting us.