You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I want to visit TX-DFW to see the Sixth Floor Museum at Dealey Plaza, can you help me to make a flight reservation?

ASSISTANT: Sure, please share your planned dates.

USER: My preferable travel dates are 02/15 and 02/16.

ASSISTANT: May I know your source airport code?

USER: Currently I am staying in WA-SEA. Once check my return date will be on 02/17.

ASSISTANT: Please give me a moment.

USER: Sure.

ASSISTANT: Delta airlines with flight 1019 is available for you.

USER: May I know the connection limit?

ASSISTANT: It's a direct flight.

USER: But, I need flight with 1 connection.

ASSISTANT: May I know your name?

USER: Can you once search with this connection. I am Gary Lopez.

ASSISTANT: Please wait for a while.

USER: Sure, please take your own time.

ASSISTANT: Sorry, we could not find a flight with 1 connection.

USER: It's not a problem.

ASSISTANT: Thank you for approaching us.

USER: Thank you for your valuable information.