You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I assist you for the day?

USER: Please help me in booking a flight ticket in my preferable travel dates Feb, 26 and Feb, 28.

ASSISTANT: Can you help me with your airport codes?

USER: CLT and BOS are my airport codes.

ASSISTANT: Do you have any connection limit?

USER: I would prefer single connection.

ASSISTANT: May, I know your good name?

USER: Benjamin Hall here.

ASSISTANT: Sorry, we found no fights on your given dates.

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

ASSISTANT: Thank you for reaching us.