You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: I want to book the book the flight ticket from ATL to BOS. Can you please help me?

ASSISTANT: Sure, I am here to help you with that, can I know your trip dates?

USER: My travel dates are May 15 and May 17.

ASSISTANT: Can you have any connection limit?

USER: I need a single connection flight.

ASSISTANT: Do you have any other specifications?

USER: My depart time should be in the afternoon.

ASSISTANT: Can I know your good name?

USER: Elizabeth Adams.

ASSISTANT: Sorry, no flights are found on your travelling dates.

USER: Ok, thank you for the information.

ASSISTANT: Thank you for reaching us.