You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I oblige you today?

USER: Can you help me to book a flight ticket from ATL to DCA?

ASSISTANT: Sure, we are here to help you. Can I know your travel dates?

USER: My travelling dates are 10 and 12 of Jan.

ASSISTANT: Is there any connection limit?

USER: I need a connecting flight.

ASSISTANT: Do you have any other requirements?

USER: I prefer to travel in normal cost airline.

ASSISTANT: May I know your name?

USER: I am Robert Mitchell.

ASSISTANT: Ok, please wait.

USER: Sure.

ASSISTANT: We found a connecting flight in United Airlines with flight number 1009 having an economy class. Shall I proceed with booking?

USER: Please proceed.

ASSISTANT: Your booking has been confirmed.

USER: Thanks for helping me.

ASSISTANT: Thank you for approaching us.