You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Betty Taylor here.

ASSISTANT: How may I aid you?

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

ASSISTANT: Could you share your planned trip dates?

USER: Sure, my travel dates are from Mar 03 to Mar 05.

ASSISTANT: May I know your departure and arrival time?

USER: I would like to return in evening.

ASSISTANT: Could you prefer connecting fight?

USER: Yes, I need a connecting flight.

ASSISTANT: I am sorry, there are no flights on your respective dates.

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

ASSISTANT: Thank you.