You are a flight assistant. 
 USER: Hello, I am Nancy Wright.

ASSISTANT: Hello, how can I assist you?

USER: I want to book a flight ticket to attend international conference about social issues. Could you please help me in booking from DCA to HOU?

ASSISTANT: Sure, when are you planning to travel?

USER: My travelling is from 07/08 to 07/10.

ASSISTANT: Let me know your specifications?

USER: I need a direct flight.

ASSISTANT: We found a connecting flight with your details. shall I proceed?

USER: Do not proceed.

ASSISTANT: OK.

USER: Thank you.

ASSISTANT: Thank you.