You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: My name is Paul Williams, I want to book a flight from NY-LGA to meet my friend at Washington DC-DCA. Can you help me to book a  connecting flight?

ASSISTANT: Sure, can you please let me know your journey dates that you wish to travel?

USER: I will fly on 09/23 and return on 09/25.

ASSISTANT:  Do you have any preference?

USER: My budget is 5000 for flight ticket.

ASSISTANT:  We found a connecting flight AA with flight number 1001 and fare is 100. Can I proceed?

USER: Please proceed with booking.

ASSISTANT:  Your booking is confirmed.

USER: Thank you for helping me.

ASSISTANT:  Thank you for availing us.