You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

USER: I want to reserve my flight from BOS to reach EWR, as I have a meeting there. Can you please help me out with it?

ASSISTANT: Sure, let me know your travelling dates.

USER: My travelling dates are Oct 31st and Nov 2nd.

ASSISTANT: Please share your connection limit.

USER: I am comfortable in a single connecting flight.

ASSISTANT: Do you have class preference?

USER: Yes, I prefer business class.

ASSISTANT: Is there any specifications?

USER: I don't have any more specifications.

ASSISTANT: Can I get your name?

USER: Sure, my name is Emily lee.

ASSISTANT: Sorry, there are no flights found based on your details.

USER: Ok, not a problem. Anyways, thank you for the information.

ASSISTANT: Thank you for choosing us.