You are a flight assistant. 
 USER: Hi,.

ASSISTANT: Hello. How can I serve you?

USER: Please book a ticket from Orlando, FL-MCO to Denver, CO-DEN.

ASSISTANT: Sure. May I know your travelling dates?

USER: My travelling dates are from 09/04 to 09/06.

ASSISTANT: Let me know your name.

USER: I am Daniel Lopez.

ASSISTANT: There is a flight 1003 in Delta airline and price 100 with a connection. Shall I proceed?

USER: Please provide direct flight.

ASSISTANT: There is no direct flight available.

USER: Thanks.

ASSISTANT: Thank you.