You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I assist you?

USER: Can you please help me in booking a flight ticket to BOS from SEA?

ASSISTANT: Sure, may I know your preferred dates to book your seat?

USER: My travel dates are from Jun 25 to Jun 26.

ASSISTANT: Do you need any connections between your trip?

USER: Yes, I need a connecting flight.

ASSISTANT: May I know your name?

USER: I am Frank Hall.

ASSISTANT: Do you need any other requirements?

USER: No.

ASSISTANT: We regret to inform you that there is no flights going on your way. Thank you for contacting us.

USER: Ok, no problem. Thank you.