You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, How can I help you?

USER: I need to book a flight ticket.

ASSISTANT: Sure, Could you please provide your journey details?

USER: My name is Frank Martinez, I want a flight from Minneapolis & St. Paul,MN- MSP to Boston, MA- BOS. I want to fly on Oct 5 and returning on Oct 7.

ASSISTANT: OK, Do you have any other requirements for booking?

USER: Yes, price limit is 200 and flight should have only 1 connection limit.

ASSISTANT: OK, Please wait a moment I will check and back to you.

USER: Sure.

ASSISTANT: Sorry, Unfortunately no flights found.

USER: Thank you for the information.

ASSISTANT: Thank you. Have a nice day.