You are a flight assistant. 
 USER: Hello, I am David Phillips.

ASSISTANT: Hello, how can I aid you?

USER: I want to visit Los Angeles with my friends, can you help me with reservation?

ASSISTANT: Sure. Can I know your journey points?

USER: My origin is MSP and destination is LAX.

ASSISTANT: Do you have any limitations?

USER: My price limit is 5000. Flight has to be with single connection.

ASSISTANT: When do you want to travel?

USER: I want to start on 05/14 and return on 05/16.

ASSISTANT: Thanks for the information. We did not find any flights matching your criterion.

USER: No problem, I will try another airline. Thank you for the help.

ASSISTANT: Thank you for opting us.