You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

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

ASSISTANT: May I know your trip dates?

USER: My trip dates are from 05/07 to 05/09.

ASSISTANT: Can I know your connection limit?

USER: I need a single connecting flight.

ASSISTANT: Do you have any other preference?

USER: No.

ASSISTANT: Can I know your name please?

USER: Myself Sandra Moore.

ASSISTANT: As per your requirements. There is a connecting flight with ticket fare 100 and 1015 as flight number in  Delta Airline. Shall I proceed with booking?

USER: Please proceed.

ASSISTANT: Your ticket is confirmed.

USER: Thank you for your help.

ASSISTANT: Thank you for reaching us.