You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, good evening. How can I assist you today?

USER: Myself Elizabeth Allen. I want to travel from OAK to BOS for attending a seminar.Could you please help me for booking a ticket?

ASSISTANT: Sure, provide me your travel dates.

USER: I need flight with 0 connection.

ASSISTANT: Let me check.

USER: My travelling dates are 08/27 to 08/29.

ASSISTANT: Sorry, there are no direct flight available on 08/27 to BOS.

USER: No issue. Thank you.

ASSISTANT: Thank you for contacting us, have a nice day.