You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: I have a concert to attend at New York, please help me in booking a ticket.

ASSISTANT: Sure, may I know your airport location codes?

USER: My airport codes are from JFK to JFK.

ASSISTANT: Can you share your travelling dates?

USER: My trip dates are from 01/20 to 01/22.

ASSISTANT: May I know your name?

USER: My name is Jerry Brown.

ASSISTANT: There is a flight with number 1019 in airline Southwest. Can I book it?

USER: Ok, please book the ticket.

ASSISTANT: Your ticket is booked, thank you for opting us.

USER: Thank you for your help.