You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you at this moment?

USER: Jessica Green here. I want to meet my twin sister to celebrate our birthday, so please book my ticket from BOS to MCO.

ASSISTANT: Ok, I will help you with that. Can I know your travelling dates?

USER: My itinerary dates are Dec 30 and Jan 1.

ASSISTANT: Do you have any other specifications?

USER: I want to return in the morning.

ASSISTANT: Do you have any other requirements?

USER: I need a connecting flight.

ASSISTANT: Sorry to say that, there are no flight's available based on your journey specifications.

USER: No problem, thank you.

ASSISTANT: Thank you for reaching us.