You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: Carolyn Hernandez here. I'm planning to go for Seafood festival at SEA, can you please book a ticket from DCA?

ASSISTANT: Sure, may I know your trip dates?

USER: Sure, my planned departure and return travel dates are 27th and 29th of September.

ASSISTANT: Wait a minute.

USER: Sure, make a note that my connection limit is 1.

ASSISTANT: Sorry to say, there are no flights available on your preferred dates.

USER: Oh! That's ok, thank you for giving the information.

ASSISTANT: Thank you for reaching us.