You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

USER: Could you book my ticket from LAX to SFO?

ASSISTANT: Sure, let me know your connection limit.

USER: I need a connecting flight.

ASSISTANT: Can you please share your travelling dates?

USER: My trip dates are July 23 and July 25.

ASSISTANT: Do you have airlines preference?

USER: I prefer normal-cost airlines.

ASSISTANT: Is there any other specifications?

USER: I prefer economy class.

ASSISTANT: May I know your name?

USER: Anthony Gonzalez here.

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

USER: No problem, thank you.

ASSISTANT: Thank you for choosing us.