You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: Can you please help me with booking a flight ticket from BOS to CLT?

ASSISTANT: Sure, may I know your name?

USER: Matthew Perez here.

ASSISTANT: Can I know your travelling dates?

USER: My travelling dates are from May 04-06.

ASSISTANT: Do you need a single connecting flight?

USER: I would be comfortable with single stop over.

ASSISTANT: Do you have any other preferences?

USER: No.

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

USER: No problem, thank you for the information.

ASSISTANT: Thank you for informing me.