You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: I want to book a flight ticket from Denver DEN to Seattle SEA. Can you find a flight ticket for me?

ASSISTANT: Your travelling dates please?

USER: Ok, my planned trip dates are on Aug 09 and return on Aug 11.

ASSISTANT: Do you have connection limit?

USER: Yes, I need a single connecting flight. Yes, I want to depart in the afternoon time and return in the afternoon time.

ASSISTANT: There is a flight with single connection in Delta airlines, can I proceed for booking in 1026 flight?

USER: You can proceed with the ticket booking.

ASSISTANT: May I know your name please?

USER: Yes, I am Jacob Miller.

ASSISTANT: I am sorry to no flights found on your given details.

USER: Ok, not an problem. Thank you for your information.

ASSISTANT: Thank you for choosing us.