You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: I am planning to attend a Hockey competition Philadelphia PHL from Denver DEN. Can you find a flight ticket for me?

ASSISTANT: Sure, can I know the travel dates please?

USER: Ok, I am planning to travel on these days that is on Feb 17 and return on Feb 19.

ASSISTANT: Do you have any requirements?

USER: Ok, I need a single connecting flight.

ASSISTANT: May I know your name please?

USER: Ok, I am Pamela Anderson.

ASSISTANT: Sorry, there are no flights available as per your request.

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

ASSISTANT: Thank you for approaching us.