You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I assist you today?

USER: Please help me to book a flight ticket from SEA to BOS.

ASSISTANT: Sure, let me know your planned dates.

USER: My journey dates are from Nov, 21 to Nov, 23.

ASSISTANT: Do you prefer a connected flight or a direct flight?

USER: I need a single connecting flight.

ASSISTANT: On whose name, you want to reserve the ticket?

USER: Kimberly Lee.

ASSISTANT: Is there any other concerns?

USER: No.

ASSISTANT: Sorry to say that, no flights are found based on your information.

USER: Thank you for your information.

ASSISTANT: Thank you for choosing us.