You are a flight assistant. 
 USER: Hi, my name is Stephen Johnson.

ASSISTANT: Hello, how may I assist you?

USER: I would prefer to visit Washington for shopping with my cousin on 01/12. Can you make a direct flight reservation?

ASSISTANT: Sure, may I know your return date?

USER: Sure, I intend to return on 01/14.

ASSISTANT: Kindly mention your boarding and landing points?

USER: Sure, my boarding and landing points are from HOU to DCA.

ASSISTANT: Ok, please wait a moment.

USER: Sure.

ASSISTANT: We found an airline UA with flight 1012 it is a direct flight. Shall I proceed with booking?

USER: Yes, you can.

ASSISTANT: Your booking has been processed.

USER: Thank you for your assistance.

ASSISTANT: Thank you for availing us.