You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: I would like to meet my business partner at Boston, please help me in booking a ticket from DEN to BOS.

ASSISTANT: Sure, may I know your planned travel dates please?

USER: My planned journey dates are Sept 24 and Sept 26.

ASSISTANT: We found a flight from Delta airline with 1 connection and the fare is 200 with an economy class.Shall I proceed?

USER: Ok, please book the ticket with the name David Harris.

ASSISTANT: Your ticket is booked with flight 1000.

USER: Thank you for your help.

ASSISTANT: You are welcome.