You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I assist you?

USER: I want to visit Boston, please help me to book my flight ticket from LGA to BOS.

ASSISTANT: May I know your travelling dates?

USER: I will depart on Jan 3rd and return back on Jan 5th.

ASSISTANT: Can I know your connection limit?

USER: I prefer for a connecting flight.

ASSISTANT: Do you have any other preference?

USER: I would like to depart in the morning time.

ASSISTANT: May I know your name please?

USER: Myself Emma Thomas.

ASSISTANT: Sorry, no flights available on your route.

USER: No problem, thank you for checking.

ASSISTANT: Thank you for reaching us.