You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: Can you please help me to search a flight from New York, NY-JFK?

ASSISTANT: Sure, do you have any specifications?

USER: Yes, make sure that the price should not be more than 500.

ASSISTANT: Can you share your travelling dates?

USER: The travelling dates are 04/11 to 04/13.

ASSISTANT: May I know your destination airport code?

USER: The destination airport code is IL-ORD.

ASSISTANT: There is a flight with connection 1 in airline Southwest. Can I book it?

USER: That's fine, please book the ticket on the name of Jessica Perez.

ASSISTANT: Your ticket is booked, happy journey.

USER: Thank you for your help.

ASSISTANT: Thank you for choosing us.