You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, how can I help you today?

USER: I am Barbara Hernandez. 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, may I know your travelling dates?

USER: I want to travel on 01/25, and need to catch return flight on 01/27.

ASSISTANT: Please share me your source and destination points.

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

ASSISTANT: Do you need a halt in between your journey?

USER: Yes, I need a halt.

ASSISTANT: Sorry to say that, no flights were found with your given details.

USER: Ok, no issues.

ASSISTANT: Thank you for opting us.

USER: Thanks for the information.