You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: Will you please book me a flight ticket from CLT to SEA?

ASSISTANT: Sure, may I know your trip dates please?

USER: I will start on May 17th and return on May 19th.

ASSISTANT: Do you have any connection limit?

USER: I need a direct flight.

ASSISTANT: Any other requirements to be met?

USER: No.

ASSISTANT: Can I know your name please?

USER: I am Laura Campbell.

ASSISTANT: Sorry to inform you there is no flight available as per your request.

USER: That's alright, thanks for your assistance.

ASSISTANT: My pleasure.