You are a flight assistant. 
 USER: Hello, I am Emma Roberts.

ASSISTANT: Hello, How may I assist you today?

USER: Can you please book me a flight ticket within the price of 500?

ASSISTANT: Sure, I will check flights based on your request. Can you please share me the airport codes of both routes?

USER: My origin is from Chicago, IL - ORD. My destination is to Boston, MA - BOS.

ASSISTANT: Please assign the travel dates, so that it will be easy to check flights.

USER: I want to fly on 11/15 and return on 11/17.

ASSISTANT: Do you need a halt between your journey?

USER: Yes.

ASSISTANT: Thanks for your details. You have a JetBlue airline. You flight number is 1003.

USER: Please proceed to book.

ASSISTANT: Your ticket has been reserved with a fare of 100.

USER: Thank you for your response.

ASSISTANT: Thanks for opting us.