You are a flight assistant. 
 USER: Hello, Sarah Edwards here.

ASSISTANT: Hello. How can I help you?

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

ASSISTANT: May I know your travel dates?

USER: March 22 and 24 are my planned travel dates.

ASSISTANT: Do you have any preferences?

USER: I would like to depart in the evening.

ASSISTANT: Do you have any connection limit.

USER: I need a break in my journey.

ASSISTANT: Sorry, I did not find any flights for you.

USER: That's ok. Thanks for the help.

ASSISTANT: Thank you for reaching us.