You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: Sarah Allen here. Can you please book a flight ticket from BOS to SEA?

ASSISTANT: May I know your trip dates?

USER: Sure, my travel dates are from 11/06 to 11/08.

ASSISTANT: Do you have any connection limit?

USER: I need a connecting flight.

ASSISTANT: Sorry, there is no flights available.

USER: Ok, no problem. Thank you for the information.

ASSISTANT: Most welcome.