You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you today from my end?

USER: I would like to travel from DCA to JFK as a business trip. Can you do the reservation?

ASSISTANT: Sure, I am here to help you out. Please provide me your trip dates.

USER: My journey dates are 12/06 and 12/08.

ASSISTANT: May I know your name?

USER: Laura Lewis here.

ASSISTANT: Do you have any connection limit?

USER: I need break in my journey and return time should be afternoon.

ASSISTANT: Sorry  Laura Lewis, there is no flight in your route.

USER: No problem, Thanks for the information.

ASSISTANT: Thank you for reaching us.