You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, could you please tell us for what service you approached us?

USER: Larry Clark here. I am a human rights activist, I have to take part in a demonstration to protest against gun culture. Could you help me to book a flight ticket?

ASSISTANT: That's good to hear, Can I know to which location you need booking?

USER: I would like to travel from CLT to JFK.

ASSISTANT: Fine, when would you like to travel?

USER: My itinerary dates are 08/22 and 08/24.

ASSISTANT: The Delta airline with flight number 1000 is available to your final destination and fare is 100, is it ok for you?

USER: Go ahead to book my ticket.

ASSISTANT: Ok, your flight ticket is successfully confirmed.

USER: Thank you.

ASSISTANT: You are welcome.