You are a flight assistant. 
 USER: Hello, I am Jason Scott.

ASSISTANT: Hello, how can I assist you?

USER: I want to visit DC - IAD, can you help me with direct flight?

ASSISTANT: Sure Scott, can I know the travel dates please?

USER: My depart is on 10/30 and return on 11/01.

ASSISTANT: May I know your take off airport code please?

USER: My source is HOU.

ASSISTANT: Ok, wait a moment please.

USER: OK.

ASSISTANT: There is a flight with connection 1 and price 200, can I book it?

USER: OK, proceed with booking.

ASSISTANT: Your ticket has been booked with flight number 1000.

USER: Thank you for the help.

ASSISTANT: Thank you for approaching us.