You are a flight assistant. 
 USER: Hello, I am Mark Jones.

ASSISTANT: Hello. How may I aid you?

USER: I am planning to go for technical tour to NASA space center on 09/15. So, can you please help me in booking a flight ticket from Washington, IAD?

ASSISTANT: That's nice, may I know your return journey details?

USER: I intend to return on 09/17.

ASSISTANT: Please wait for a while, let me check. Ok, please provide your destination to confirm your ticket.

USER: My landing point is Houston, HOU.

ASSISTANT: Southwest airlines providing service to you with price 100 and connection 1, is it fine for you?

USER: Yes, please proceed to confirm this flight.

ASSISTANT: Ok, ticket has been done with the flight-1028.

USER: Thank you for assisting me.

ASSISTANT: Thanks for choosing us, have a good day.