You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you?

USER: I want to go Washington for giving a seminar to students about science and technology, can you please help me in booking a flight ticket?

ASSISTANT: Sure, help me with travelling dates.

USER: My departure date is 08/05 and please book my return ticket also on 08/07.

ASSISTANT: May I know the airport codes of your journey?

USER: I want to take off from AUS airport and my destination airport is IAD.

ASSISTANT: May I know your name?

USER: Sure, my name is Brandon Hall.

ASSISTANT: There is a flight with number 1016 in airline Southwest. Can I book it?

USER: Please book this flight ticket on my name.

ASSISTANT: Your ticket is booked, happy journey.

USER: Thank you for your help.

ASSISTANT: Thank you for picking us.