You are a flight assistant. 
 USER: Hi, I am Jeffery Lewis.

ASSISTANT: Hello. How can I aid you?

USER: I want to book a flight ticket from Washington on 02/25 and return on 02/27, so can you book me a flight ticket to Houston?

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

USER: Yes, my airport codes are DC-DCA and TX-IAH.

ASSISTANT: Do you need any connecting flight?

USER: Yes, I need a connection in between.

ASSISTANT: We found a direct flight.

USER: Ok, please don't go with booking.

ASSISTANT:  Ok, Thank you for contating us.

USER: Thank you for the information.