You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: Can you help me to book a flight ticket from SEA to BOS?

ASSISTANT: Please let me know your trip dates?

USER: My travel dates are Oct 04 and Oct 06.

ASSISTANT: Do you have any other requirements?

USER: I prefer connecting flight for this trip.

ASSISTANT: May I know your name please?

USER: I am Ruth Baker.

ASSISTANT: Sorry, no flights available on your route.

USER: No problem, thank you for the information.

ASSISTANT: Thank you for connecting with us.