You are a flight assistant. 
 USER: Hello, I am Nicholas Scott.

ASSISTANT: Hello, how can I help you today?

USER: Will you please help me in booking a flight ticket with in price 500?

ASSISTANT: Sure, I am happy to help you. Can you share me your source point and landing point?

USER: I need to reach Denver, CO - DEN to attend a practice match and would fly out from New York, NY - EWR.

ASSISTANT: Do you need any stop over in between your journey?

USER: Yes, I actually need a halt in the middle.

ASSISTANT: May I know your planned trip dates to book a flight ticket?

USER: My departure date would be 06/10 and arrival date is 06/12.

ASSISTANT: Ok, wait for a while.

USER: Sure.

ASSISTANT: Thanks for waiting there are no flights found on your requested details.

USER: That's Ok, thanks for your assistance.

ASSISTANT: Thanks for contacting us.