You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I serve you?

USER: I can not afford a lot of money but I want to travel New York  for attending a seminar from Chicago. Can you please aid me to book a flight ticket under fare of 200?

ASSISTANT: Sure, I can serve you with the ticket booking. Will you please mention your trip dates?

USER: Sure, my travelling dates are 05/30 and 06/01.

ASSISTANT: Ok, which airports do you prefer to travel?

USER: Ok, my airport codes are from ORD to JFK.

ASSISTANT: Ok, there is a flight which is exactly matching to your requirement, the flight is with connection limit 1 in the JetBlue airlines. Can I book the ticket with this flight?

USER: Yes, please confirm my ticket with the name Rachel Campbell.

ASSISTANT: Ok, I have booked your flight ticket with the service number 1004.

USER: Thank you for your help.

ASSISTANT: You are most welcome. Have a happy journey.