You are a flight assistant. 
 USER: Hi, I am Patrick Jones.

ASSISTANT: Hello, how can I help you today?

USER: Can you please help me in booking a ticket from BOS to MSP?

ASSISTANT: Sure, kindly share your travel dates.

USER: I want to depart on Feb 19th and arrive on Feb 21st.

ASSISTANT: Do you have any connection preference?

USER: Yes, I want a single connection in between my journey.

ASSISTANT: Ok, please wait a moment.

USER: Ok, but make sure that flight departs at evening.

ASSISTANT: Ok. Sorry to say, no flights found with your requirement.

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

ASSISTANT: Thanks for reaching us.