You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How could I serve you the best today?

USER: Please help me in booking flight ticket from DEN to JFK to meet my family.

ASSISTANT: Sure, I will help you. May I know when you are planning to travel?

USER: My trip dates are Sept 29 to Oct 01.

ASSISTANT: Please share me your name.

USER: Carol Adams.

ASSISTANT: Is there any other specifications, please let me know?

USER: I need a connecting flight.

ASSISTANT: There is an airline called Southwest of flight 1004 in an economy class with lay by.

USER: You can proceed.

ASSISTANT: Your ticket has been booked.

USER: Thank you.

ASSISTANT: Thank you.