You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

USER: I need to buy a plane ticket from LAX to OAK. Please help me with that.

ASSISTANT: Sure, do you have any limits on number of connections?

USER: I need a direct flight.

ASSISTANT: Please share your trip dates.

USER: My trip dates are from Mar, 08 to Mar, 10.

ASSISTANT: Is there any class preference?

USER: No.

ASSISTANT: Do you have airline preference?

USER: I am happy with any airlines.

ASSISTANT: Please share your return and depart timings.

USER: I am comfortable with any flight timings.

ASSISTANT: May I know your name?

USER: My name is Alexander Carter.

ASSISTANT: Sorry, there are no flights found based on your details.

USER: No problem, thanks for your information.

ASSISTANT: Thank you for choosing us.