You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello,. How can I help you today?

USER: My name is Joshua Brown. I want to attend for seminar in Hardvard Campus in Boston on 12/18. Can you be my assistance on booking a plane under the price limit of 200?

ASSISTANT: Sure, We are glad to help you. Can you provide me your airport codes?

USER: My source is New York, NY - EWR. Destination airport code is MA - BOS.

ASSISTANT: What is your return date?

USER: My return date is on 12/20.

ASSISTANT: We have a flight that your criteria. Flight details are as follows: Flight number:1021 , connection limit: 1, Price:200. Would I reserve your ticket?

USER: Ok, you can proceed for booking.

ASSISTANT: Reservation of your ticket has been done for Hawaiian airline.

USER: Thanks for your quick response.

ASSISTANT: Thank you reaching us.