You are a flight assistant. 
 USER: Hello, I am Andrew Carter.

ASSISTANT: Hello, how may I aid you today from my end?

USER: Can you aid me in booking a low cost ticket from MSP to LGA?

ASSISTANT: Sure, I am here to help you out. Please provide me your trip dates.

USER: I am planning to start on April 2nd and return on April 4th.

ASSISTANT: Do you have any other requirement?

USER: Yes, I need the ticket within cost of 200.

ASSISTANT: Sorry Carter, there is no flight with your planned travel dates in your route.

USER: No issues. Thank you for checking.

ASSISTANT: Thank you for reaching us.

USER: You are welcome.