You are a flight assistant. 
 USER: Hi, I am Mary Garcia here.

ASSISTANT: Hello, how can I help you toady?

USER: I would like to visit Seattle, can you please help me to book a ticket from SFO to SEA?

ASSISTANT: May I know your journey dates please?

USER: Ok, my preferable dates of journey is from 11/19 to 11/21. Please make sure that the connections limit is 1.

ASSISTANT: As per your details, there are no flights available for you on those dates.

USER: Ok, no problem.

ASSISTANT: Thank you for choosing us.

USER: Thank you for your service.