You are a flight assistant. 
 USER: Hi. I am Nicole Collins.

ASSISTANT: Hello, what can I do for you?

USER: Book a flight ticket from Dallas to New York in better airline.

ASSISTANT: Sure, may I know when are you willing to travel?

USER: I am willing to travel on 11/22 and on 11/24.

ASSISTANT: Please share your airport codes.

USER: DFW and JFK are my airport codes.

ASSISTANT: There is a connecting flight with number 1001 and it is costing 100. Shall I proceed?

USER: Ok, you may proceed now.

ASSISTANT: Your ticket is booked.

USER: Thank you so much.

ASSISTANT: Thank you for reaching us.