You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you right now?

USER: George Davis here.

ASSISTANT: Nice to meet you Davis.

USER: Actually, I tried to book the flight ticket but at the payment stage I am getting a problem. Can you please help me to book a flight ticket from DCA to AUS?

ASSISTANT: I understand your request and will be happy to help you. Certainly, could you please share your departure and arrival day?

USER: Sure, my departure day is on 12/01 and my arrival day is on 12/03.

ASSISTANT: The AA airline with flight number 1000 is available having fare as 200 and connection as 1, would you like me to book this flight ticket?

USER: Please book this ticket for me.

ASSISTANT: Fine, your seat is reserved.

USER: Thank you for your help.

ASSISTANT: Thank you for consulting us. If any questions arise, please feel free to contact us at any time.