You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: Can you please search a flight ticket from DCA to HOU?

ASSISTANT: May I know your travel dates?

USER: My travelling dates are Apr 13 and Apr 15.

ASSISTANT: Do you have any preferences?

USER: I want my depart flight in evening time. I need connecting flight to complete my trip.

ASSISTANT: Ok, please wait for a while.

USER: Ok, sure I will wait for your reply.

ASSISTANT: Flight-1001 is available in AA airlines with single connection and the flight fare is 100. Can I proceed?

USER: Ok, please proceed with booking.

ASSISTANT: Your booking is confirmed.

USER: Thank you for your help in booking my flight ticket.

ASSISTANT: Thank you for reaching us. Please mention your name to book on your name.

USER: Myself Jerry Gonzalez.

ASSISTANT: Thank you.