You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you today?

USER: Please book a ticket from SEA to DEN to attend Sports festival.

ASSISTANT: Sure, to book a ticket may I know your planned travel dates?

USER: My scheduled dates are Feb 23 and Feb 25.

ASSISTANT: Do you have any other requirements?

USER: I want single connected flight.

ASSISTANT: Can you please share me your name?

USER: Sure, I am Brenda Carter.

ASSISTANT: Unfortunately there is no flight found with your given information.

USER: Ok, no issues. Thank you.

ASSISTANT: Thank you for choosing us.