You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you today?

USER: I would like to visit Detroit to meet my grand parents, please help me in booking a ticket from BOS to DTW.

ASSISTANT: Sure, let me know your journey dates.

USER: My planned travel dates are on May 20 and May 22.

ASSISTANT: Is there any connection limit for you?

USER: I need a connecting flight.

ASSISTANT: Can I have your name please?

USER: My name is Kathleen Taylor. I would like to depart in the afternoon.

ASSISTANT: As per your information, no flights were available based on your timing.

USER: Ok, no issues. Thank you for your information.

ASSISTANT: Thank you for choosing us.