You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you now?

USER: Barbara Nelson here.

ASSISTANT: Ok.

USER: I want to travel from IAD to EWR for attending a seminar. Can you please help me for booking the flight ticket?

ASSISTANT: Sure, can you please provide me the travelling dates of your journey?

USER: My departure date is 04/30 and return date is 05/02.

ASSISTANT: Ok, please wait for a while.

USER: Make sure my price limit is 200. Sorry, my price limit is 500.

ASSISTANT: Thank you for waiting, there is a flight 1008 in Southwest airline has the price 200 and the connection limit is 1.

USER: Please proceed for booking the ticket.

ASSISTANT: Your ticket has been booked, have a safe journey.

USER: Thank you for helping me.

ASSISTANT: Thank you for approaching us, have a nice day.