You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, what can I do for you today?

USER: I want to book a flight ticket to PHL. Can you please help me for booking from DFW?

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

USER: My travelling dates are on Dec 05 and 07.

ASSISTANT: Would you like any break in between your journey?

USER: I am fine with any flight.

ASSISTANT: Any other preference?

USER: No.

ASSISTANT: Can you mention your name to proceed further?

USER: My name is Andrew Thomas.

ASSISTANT: United Airlines has a connecting flight with number 1021 for fare 200, shall I proceed?

USER: Ok, please proceed for booking.

ASSISTANT: Your ticket is reserved in economy class.

USER: Thank you.

ASSISTANT: Thank you for opting us.