You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I help you?

USER: Please book a direct flight from Boston, BOS on the name of Stephanie Hill.

ASSISTANT: Sure, let me know your preferable dates?

USER: Ok, my preferable dates are 01/13 and 01/15.

ASSISTANT: Can I know your destination airport code please?

USER: Sure, My destination is Denver, CO - DEN.

ASSISTANT: Frontier airlines is available for you with 1 connection and flight number is 1008. Shall I proceed?

USER: Sorry, I need a direct flight.

ASSISTANT: Sorry, there are no flights available for given schedule.

USER: Ok, no problem. Thanks for the information.

ASSISTANT: Thank you for reaching us.