You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, What can I do for you?

USER: I am Samantha Baker. I want to book a flight ticket to attend a sports live event in Minneapolis, could you help me in booking a flight ticket?

ASSISTANT: Sure, May I know the journey codes?

USER: My source is Las Vegas, NV - LAS and destination is MN - MSP.

ASSISTANT: Please help me with your travel dates.

USER: I would like to fly on 07/23 and return on 07/25.

ASSISTANT: Please wait a minute. Sorry, No flights found with your chosen dates.

USER: Sure. Not an issue. Thank you for your service.

ASSISTANT: Thank you for availing us.