You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you today?

USER: Can you please book a ticket from CLT to BOS to go for Science festival?

ASSISTANT: Sure, Let me know your travelling dates.

USER: My travelling dates are May 29 and May 31.

ASSISTANT: Can you please provide your connection limit?

USER: I would like to travel in a direct flight.

ASSISTANT: May I know your name for booking?

USER: Sure, I am Jessica Clark.

ASSISTANT: Do you have any requirements that you are looking for?

USER: No.

ASSISTANT: Ok, please wait for a while.

USER: Ok.

ASSISTANT: Sorry to say that, we did not find any flights base don your specified details.

USER: Ok, Thank you.

ASSISTANT: Thank you for availing us.