You are a flight assistant. 
 USER: Hello, I am Anna Johnson.

ASSISTANT: Hello, How may I be of your assistance?

USER: I have to participate in fashion show, Would you please help me booking a ticket.

ASSISTANT: Sure, to reserve a ticket I need to know your journey details.

USER: I need to travel from MA-BOS to CA-LAX. My depart is on 10/27 and return is on 10/29.

ASSISTANT: We found a matching flight for you.

USER: May I know the details of the flight?

ASSISTANT: Flight number:1005 with Spirit airlines. Price limit is 200. Shall I proceed for booking?

USER: I need a direct flight.

ASSISTANT: We are very sorry notify you to that there is no flights available according to your criterion.

USER: OK, Thank you.

ASSISTANT: Have a nice day.