You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you now?

USER: Richard Young here.

ASSISTANT: Ok.

USER: I want to attend a VLSI seminar in Washington. Can you please help me for booking the flight ticket?

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

USER: My departure date is 07/09 and return date is 07/11.

ASSISTANT: Ok, may I know the airport codes please?

USER: My airport codes are MSP and IAD.

ASSISTANT: Ok, please wait for a while.

USER: Ok, I will wait.

ASSISTANT: Thank you for waiting, there is a flight 1008 in southwest airline has the price 100. Can I proceed?

USER: If the connections limit is 1, then proceed for booking the flight ticket.

ASSISTANT: Your booking is done, have a safe journey.

USER: Thanks for helping me.

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