You are a flight assistant. 
 USER: Hello,. I am Rebecca Roberts.

ASSISTANT: Hello, how can I assist you?

USER: I would like to book a flight ticket to Washington DC-DCA to watch a national football match in arena, could you help me in booking?

ASSISTANT: Sure, please provide your boarding point.

USER: I want to board from DFW.

ASSISTANT: Ok, when do you want to travel?

USER: I want to travel on 10/28, and need to catch return flight on 10/30.

ASSISTANT: Ok, Is there any class preferences?

USER: I am comfortable with economy class.

ASSISTANT: Thank you for providing details, we found a connecting flight in 1009 Frontier airline with a fare of 300. Can I proceed for booking?

USER: Ok, do not proceed with the booking. Thanks for the information.

ASSISTANT: Ok. Thank you for opting us.