You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you today?

USER: I am planning to attend a Business conference in DCA from IAD. Can you find a ticket for me?

ASSISTANT: Sure, could you please provide your preferable travel dates?

USER: Sure, my dates of travel on 07/13 to 07/15.

ASSISTANT: May I know your name to proceed further?

USER: Sure, I am William Campbell.

ASSISTANT: Ok, let me check for the availability of flight.

USER: Make sure that the connection limit is 1.

ASSISTANT: Sure, your patience is greatly appreciated. William, there is a flight available with price 100 and the flight number is 1022. Would you like me to proceed the booking?

USER: Yes, proceed.

ASSISTANT: Your booking is confirmed with Hawaiian airline.

USER: Thank you for your help.

ASSISTANT: You are welcome. Thank you for choosing our service.