You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you for the day?

USER: I am Lisa Young. I want to go for a party at Denver,DEN. Can you please book a ticket from Seattle, SEA?

ASSISTANT: Lisa Young, please mention your planned dates for the following journey.

USER: Journey dates are 07/01 to 07/03.

ASSISTANT: Please wait for a while.

USER: Sure.

ASSISTANT: There is a direct flight available on your request, would you like to have a reservation with this?

USER: Don't proceed. I need connecting flight.

ASSISTANT: Ok, thank you for choosing us.

USER: Thank you.

ASSISTANT: No 1 connection flights available for you.