You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you?

USER: I am Mark Perez. I want to book a ticket from SEA to BOS to meet my uncle, can you help me in booking?

ASSISTANT: Sure, help me with your travelling dates.

USER: My departure date is on 01/12 and return on 01/14. Make sure the connection limit 1.

ASSISTANT: Sorry, there is no connecting flight.

USER: Please proceed for booking.

ASSISTANT: Thank you for reaching us.