You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you today?

USER: Can you please help me in booking my flight ticket from DFW to DEN?

ASSISTANT: Sure, I am glad to help you. May I know your name please?

USER: Myself William Taylor.

ASSISTANT: Ok, let me know your planned dates.

USER: My travelling dates are Nov 03 and 05.

ASSISTANT: Is there any connection limit?

USER: I need single connection flight.

ASSISTANT: Do you have any other concerns?

USER: No.

ASSISTANT: We found a connecting flight with a fare of 200 in 1003 United Airlines, shall I proceed?

USER: Please proceed with booking.

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

USER: Thank you for your help.

ASSISTANT: Thank you for choosing us.