You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I am David Smith.

ASSISTANT: What can I do for you David?

USER: I wound like to watch a live musical fest in Dallas, would you be my helping hand in booking my flight ticket?

ASSISTANT: Sure, may I know when you want to travel?

USER: I would like to start from 12/14 to 12/16.

ASSISTANT: Ok, can you provide your journey points?

USER: My origin is MA-BOS and destination is TX-DFW.

ASSISTANT: Do you have any other specifications?

USER: I need a price limit within 200.

ASSISTANT: Ok, we found an Hawaiian airline with flight number 1004 and price of 200 matching your request.

USER: Ok, proceed with booking.

ASSISTANT: Your ticket has been reserved.

USER: Thank you for your service.

ASSISTANT: Thank you for opting us.