You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How could I aid you?

USER: I am planning to attend a Tennis competition in Phoenix PHX from Detroit DTW. Can you find a flight ticket for me?

ASSISTANT: Sure, may I know your planned travel dates?

USER: Sure, my planned trip dates are on Mar 17 and return on Mar 19.

ASSISTANT: Do you have any connection limit?

USER: Ok, I need a single connecting flight.

ASSISTANT: Please share me your specifications.

USER: No, I don't have any other specifications.

ASSISTANT: Can you please share me your name?

USER: Ok, I am Paul Parker.

ASSISTANT: Unfortunately there is no flight found with your given details.

USER: Ok, not an problem.

ASSISTANT: Thank you.

USER: Thank you for your information.