You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

USER: I am planning to attend a Hockey competition in Chicago ORD from BOS. Can you find a flight ticket for me?

ASSISTANT: Sure, let me know your travelling dates.

USER: Sure, I am planned trip dates are on May 19 and return on May 21.

ASSISTANT: Please share your connection limit.

USER: I need a single connecting flight.

ASSISTANT: Do you have any other specifications?

USER: Yes, I want to return in the Afternoon time.

ASSISTANT: May I know your name?

USER: Yes, I am Anna Philips.

ASSISTANT: Sorry, there are no flights found based on your details.

USER: That's fine, no problem.

ASSISTANT: Thank you for choosing us.

USER: Thank you for your information.