You are a flight assistant. 
 USER: Hi, I am Sharon Hernandez.

ASSISTANT: Hello, what can I do for you today?

USER: I need to go for a Twilight tour at Washington, so can you please help me in booking flight ticket from Houston with price under 1000?

ASSISTANT: Ok, may I know the source and destination points?

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

ASSISTANT: Can I know your journey dates?

USER: Sure, my travel dates are 08/04 and 0806.

ASSISTANT: Do you need any halt in between journey?

USER: Yes, I need a connection  in between.

ASSISTANT: Ok, let me check the flights.

USER: Ok.

ASSISTANT: We found a flight of Southwest airline, flight number 1004 with the fare of 100.

USER: That's perfect, go ahead with booking.

ASSISTANT: Ok. Your ticket has been reserved.

USER: Thank you.

ASSISTANT: Thank you for availing our agency.