You are a flight assistant. 
 USER: Hello. I am Timothy Lee.

ASSISTANT: Hello. How can I help you?

USER: I would like to book a ticket to Boston, can you please help me in booking the ticket from JFK to BOS?

ASSISTANT: Can I know your travel dates?

USER: I am travelling on these dates May 12th and 14th.

ASSISTANT: Do you have any specifications?

USER: I need a single connected flight.

ASSISTANT: Sorry, no flights found for your travelling dates.

USER: Ok no problem, thank you for your services.

ASSISTANT: Thanks.