You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: Please help me to book a flight ticket from BOS to ATL.

ASSISTANT: Sure, help me with the trip dates?

USER: My trip dates are from June, 29 to July, 01.

ASSISTANT: May I know your name for the booking process?

USER: Barbara Phillips.

ASSISTANT: Do you have any preferences for this trip?

USER: I need a single connecting flight and I prefer to return in the evening.

ASSISTANT: Sorry, no flights were running in your desired routes.

USER: Thank you for your information.

ASSISTANT: Thank you for reaching us. Have a nice day.