You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I serve you?

USER: I am Helen Gonzalez, I planned a trip to visit New York City for vacation. Can you help me to book a flight with one halt?

ASSISTANT: Sure, may I know your travelling dates please?

USER: I will travel on 10/15 and return on 10/17.

ASSISTANT: Can you please provide me your airport codes, please?

USER: My landing airport is NY-JFK and origin airport is IL-ORD.

ASSISTANT: Thanks for giving your details, we found a flight on your details with airline Southwest, flight number: 1004. Shall I proceed for booking?

USER: Sure.

ASSISTANT: Your ticket has been booked.

USER: Thank you for helping me.

ASSISTANT: Thanks for choosing us.