You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: My name is Nicole Nelson.

ASSISTANT: How may I help you Nicole Nelson?

USER: I am planning a trip from BOS to DTW, can you check it?

ASSISTANT: Sure. Can you tell me your trip dates?

USER: My travel dates are 12/20 & 12/22.

ASSISTANT: Can you tell me if you have any limitations?

USER: I want a flight with single connection and price limit is 500.

ASSISTANT: I found a flight with your preferred requirements. Would you like to proceed this?

USER: OK, book it.

ASSISTANT: OK. Your flight ticket is booked.

USER: Thank you for booking.

ASSISTANT: Most welcome.