You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I assist you?

USER: Can you please book a flight ticket to reach BOS from ATL?

ASSISTANT: Yes, can you tell me your travelling dates?

USER: My planned dates are Aug 8 and Aug 10.

ASSISTANT: Do you have any preferences?

USER: I prefer to travel in normal cost airlines with connecting flight.

ASSISTANT: Do you have any other specifications?

USER: No, thank you for asking.

ASSISTANT: Sorry to inform you that there are no flights found on your requested dates.

USER: Ok, not a problem.

ASSISTANT: Can I know your name?

USER: Sure, Larry Taylor here.

ASSISTANT: Thank you for contacting us.

USER: Thank you.