You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

USER: Can you aid me to book a ticket from MCO to EWR?

ASSISTANT: Ok, please can I know the dates of your journey?

USER: My trip dates are Dec 29 and Dec 31 respectively.

ASSISTANT: Ok, please can I know your specifications?

USER: I prefer for single connecting flight.

ASSISTANT: Ok, thank you for waiting. There is no flight available as per your intents provided.

USER: Thank you for the help.

ASSISTANT: May I know your name?

USER: David Scott here.

ASSISTANT: Ok, thank you for connecting with our agency.

USER: You are welcome.