You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you today?

USER: I am planning to book a flight ticket to MSP from BOS, can you please help me out?

ASSISTANT: Sure, could you please help me with your travelling dates?

USER: Sure, my planned travelling dates are May 03 and May 05.

ASSISTANT: May I know your connection limit?

USER: Yes, I am looking for a flight with 1 connection.

ASSISTANT: Do you have any other preferences?

USER: No.

ASSISTANT: May I know your name?

USER: Ok, my name is Donna Phillips.

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

USER: It's ok, thank you for the information.

ASSISTANT: Thank you for reaching us.