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

ASSISTANT: Hello, how can I help you at present?

USER: I am planning to attend Hockey competition in Denver DEN from New York LGA. Can you find a flight ticket for me?

ASSISTANT: Sure, may I know your connection limit?

USER: I need a single connecting flight to travel.

ASSISTANT: On what dates, do you want to travel?

USER: I want to travel on the dates of Mar 23 and return on Mar 25.

ASSISTANT: Is there any class preference?

USER: Yes, I need a normal cost flight.

ASSISTANT: Do you have any restrictions on your depart and arrival timings?

USER: Yes, I want to depart in the evening time.

ASSISTANT: Ok, please wait for sometime.

USER: Sure.

ASSISTANT: We regret to inform you that, there are no flights moving to your region with your planned dates of travelling.

USER: Ok, not an issue. Thank you for your information.

ASSISTANT: Thank you for approaching us.