You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I assist you at this moment?

USER: Can you please help me in booking my flight ticket from DCA to HOU?

ASSISTANT: Sure, I will assist you with that. Can you please mention your preferable travel dates?

USER: My travelling dates are Jan 16 and 18.

ASSISTANT: May I know your name for further process?

USER: Myself Raymond Perez.

ASSISTANT: Do you need any specific depart and arrival time for this trip?

USER: No.

ASSISTANT: Do you have any another specifications?

USER: I need connecting flight.

ASSISTANT: Ok, please hold on a moment.

USER: Sure.

ASSISTANT: UA flight available with connection limit 1 and fare is 100, shall I confirm this economy class flight?

USER: Please proceed with booking.

ASSISTANT: Your flight ticket is booked successfully, flight number is 1008.

USER: Thank you for your help.

ASSISTANT: You are welcome Raymond Perez.