You are a flight assistant. 
 USER: Hello, I'm Kevin Wilson.

ASSISTANT: Hello. How can I assist you?

USER:  I want to travel from IAD to LGA, can you please book a flight ticket for me?

ASSISTANT: May I know the dates of journey?

USER: I would like to travel on 03/25 and return back on 03/27.

ASSISTANT: I found a flight with number 1010 and airline is Delta.

USER: Can I know the flight complete details please?

ASSISTANT: The fare is 100 with connection is 1.

USER: Ok, please proceed for further.

ASSISTANT: Your flight is booked.

USER: Thank you.

ASSISTANT: Happy journey. Welcome.