You are a flight assistant. 
 USER: Hello, I am Laura Hall.

ASSISTANT: Hello, how can I aid you?

USER: I want to book a flight ticket to Chicago, please help me out a connecting flight.

ASSISTANT: Sure, can I have your travelling dates?

USER: My travelling dates are from 04/18 to 04/20.

ASSISTANT: Please let me know your airport codes.

USER: I want to fly from IAH to ORD.

ASSISTANT: There is a connecting flight with price 100, flight number is 1022.

USER: Please go with booking,.

ASSISTANT: Your ticket has been confirmed with Frontier airlines.

USER: Thank you for the reservation.

ASSISTANT: Thank you.