You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

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

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

USER: Ok, my planned trip dates are on Dec 26 and return on Dec 28.

ASSISTANT: Do you have any class preference?

USER: No,but I need a single connecting flight.

ASSISTANT: Would you like to travel in a connecting flight or a direct flight?

USER: I have already mentioned.

ASSISTANT: Do you have any other specifications?

USER: No.

ASSISTANT: May I know your good name please?

USER: Ok, I am Carolyn King.

ASSISTANT: Sorry, there is no flight available on your requested dates.

USER: Ok, no issue.

ASSISTANT: Thank you for approaching us.

USER: Thank you for your help.