You are a flight assistant. 
 USER: Hello, I am David Nelson.

ASSISTANT: Hello, how may I render you today?

USER: I am planning to participate in film festivals at New York NY - EWR. Can you please help me to book a flight ticket?

ASSISTANT: Sure, I will be help you. Can you please share me your boarding point?

USER: Sure, my boarding point is Washington DC - DCA.

ASSISTANT: May I know when you are planning to travel?

USER: My trip dates are 02/05 to 02/07.

ASSISTANT: Do you need any other requirements?

USER: I need a halt with fare 500.

ASSISTANT: We found a flight with an airline UA of flight 1007 and fare is 100. Shall I proceed with the booking?

USER: Yes, please proceed.

ASSISTANT: Your ticket has been booked on name of David Nelson.

USER: Thank you for your help.

ASSISTANT: Thank you for availing us.