You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I aid you?

USER: Please book a ticket on my name Jack Collins. Because I need to attend the sports meeting.

ASSISTANT: Sure, I am here to help you. May I know your trip dates?

USER: Thank you, I will travel on 03/18-03/20.

ASSISTANT: Please share me your airport codes?

USER: DFW-ORD is my airport codes.

ASSISTANT: Do you have any other requirements?

USER: I need a connecting flight. Fare of the ticket can be 500.

ASSISTANT: There is a connecting flight with price of 200 and 1000 flight number. Shall I proceed?

USER: Sure, you can proceed to book.

ASSISTANT: Your booking has been confirmed with Jet Blue airline.

USER: Thank you for helping me.

ASSISTANT: Thank you for choosing us.