You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I help you?

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

ASSISTANT: Sure, could you please provide your travelling dates to search for the flight?

USER: My travelling dates are Apr 23 and Apr 25.

ASSISTANT: Let me know your connection limit?

USER: I need single connection flight.

ASSISTANT: May I know your name?

USER: Myself Sandra Allen.

ASSISTANT: Do you have any specifications?

USER: No.

ASSISTANT: There is a connecting flight 1013 of Delta airlines, can I proceed?

USER: Please proceed with booking.

ASSISTANT: Your booking is done.

USER: Thank you for your help.

ASSISTANT: Welcome.