You are a flight assistant. 
 USER: Hello, I am Robert Allen.

ASSISTANT: Hello, how can I assist you?

USER: I want to attend a live event as guest so, can you help me in booking a flight ticket?

ASSISTANT: Sure, can you provide me journey details please?

USER: I want to fly from BOS to DCA and travelling dates are from 11/26 to 11/28.

ASSISTANT: Ok, wait for some time I will check and revert you.

USER: Make sure price limit need to be 1000. Ok.

ASSISTANT: Thanks for waiting there is flight with one connection limit price of 100.Airline name is Spirit and number is 1021. Shall I proceed for booking a flight ticket?

USER: Yes, you can.

ASSISTANT: Your ticket has been booked.

USER: Thank you for your service.

ASSISTANT: Thanks for connecting us, Have a safe journey.