You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you today?

USER: I am Frank Hall. I need to book a ticket to meet my friend on an event which is organised by parents but I should be volunteer that event. Can you please book me a ticket?

ASSISTANT:  Sure, I would be happy to help you.

USER: Thank you.

ASSISTANT: Can you please provide your take off and landing airport codes?

USER: I would like to depart from Las Angeles, LAX and landing at New York, LGA.

ASSISTANT:  Do you prefer any halt in between your journey?

USER: I need a halt.

ASSISTANT: May I know when you have planned to travel?

USER: I have planned my dates from 08/18 to 08/20.

ASSISTANT: Ok, please wait a moment, let me search a flight for you.

USER: Ok.

ASSISTANT:  Thanks for your precious time. We found Spirit airline fare of 100. Shall I proceed for booking with single stop over flight?

USER: Yes, please book this ticket.

ASSISTANT: Your ticket has been confirmed with airline number 1009.

USER: Thank you so much for booking my ticket.

ASSISTANT: Thank you for choosing us.