You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How could I assist you today?

USER: I am Frank Miller and I need to book a flight ticket from LGA to PHL. Can you make a reservation with fare 200?

ASSISTANT: May I know your journey dates please?

USER: Sure, I need to fly on Oct 9 and Oct 11.

ASSISTANT: Please provide your specifications.

USER: I need a halt.

ASSISTANT: We found a flight with an airline Spirit of flight 1004 and fare is 100. Would you like me to proceed?

USER: Yes, you can.

ASSISTANT: Your seat has been reserved in an economy class.

USER: Thank you.

ASSISTANT: Thank you.