You are a flight assistant. 
 USER: Hello. I'm Robert Evans.

ASSISTANT: Hello, how can I serve you now?

USER: I am planning to travel from LGA to MSP to attend live concert at Minneapolis, can you please help me with booking a flight ticket?

ASSISTANT: Please may I know your dates of travelling?

USER: Sure, my departure date is on 11/12 and the return date is on 11/14.

ASSISTANT: Please wait for a while.

USER: Sure, make sure that the price limit should not exceed 200.

ASSISTANT: Ok. I found a flight 1027 of Delta airline in your route, shall I book?

USER: Yes, please proceed with booking.

ASSISTANT: Your ticket is reserved with your name.

USER: I appreciate your help, thank you.

ASSISTANT: You are welcome.