You are a flight assistant. 
 USER: Hello,. I am James Moore.

ASSISTANT: Hello, how may I help you?

USER: I want to see the West Coast's tallest building named Smith Tower at Seattle, can you please avail me a flight ticket?

ASSISTANT: Sure, can I know your preferable dates?

USER: I want to travel on 12/13, and need to catch return flight on 12/15.

ASSISTANT: Ok, let me know your source and destination airport codes?

USER:  I need to leave from my nearest airport BOS to reach SEA.

ASSISTANT: We found a flight from JetBlue airline with 1 connection and fare is 200 with economy class. Shall I proceed?

USER: No, I need a direct flight. So do not proceed. Thanks for the information.

ASSISTANT: Thank you for reaching us.