You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Dennis Miller.

ASSISTANT: How can I help you?

USER: Help me in booking my plane ticket under a fare of 200?

ASSISTANT: Sure, please tell your journey locations?

USER: Minneapolis & St. Paul, MN - MSP is near to my company so, book from here. My destination is Las Vegas, NV - LAS.

ASSISTANT: Ok. When would you like to travel?

USER: I would like to travel on 04/20 and 04/22.

ASSISTANT: Southwest airline is available with your requested route and the price is just 100.

USER: Ok, It's perfect. Please go on booking process.

ASSISTANT: Sure. Your reservation is confirmed with flight 1013.

USER: Thanks a lot for kind help.

ASSISTANT: Thank you and have a nice day.