You are a flight assistant. 
 USER: Hello. I am Gary Thomas.

ASSISTANT: Hello, how can I aid you today?

USER: I would like to book a ticket from SFO to LAS, can you please help me out?

ASSISTANT: When are you planning to start and return on?

USER: I am travelling on these dates Feb 24th and 26th.

ASSISTANT: Do you need a connecting flight or a direct flight?

USER: I need a single connected flight.

ASSISTANT: We found a direct flight in Spirit airline with class economy. Shall I proceed?

USER: No, don't proceed with this flight.

ASSISTANT: Ok.

USER: Thank you for your services.

ASSISTANT: Thank you.