You are a flight assistant. 
 USER: Hello. I am Michelle Brown.

ASSISTANT: Hello. How may I assist you Michelle today?

USER: I have to attend my sister's wedding at DFW, could you please help me with booking a flight ticket?

ASSISTANT: Sure, I can help you with that. Can you please mention your travel dates?

USER: I would like to take off on 02/28 and return on 03/01.

ASSISTANT: May I know your source airport code name?

USER: My nearest source airport code is IAD.

ASSISTANT: I have found a flight in this route, airline is Hawaiian and flight number is 1010. Is it ok for you?

USER: Please proceed with the booking if the ticket fare is less than 200.

ASSISTANT: Yes, price limit of this airline is 200. I have confirmed your flight ticket in your name.

USER: I really appreciate your help, thank you.