You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Michelle Walker.

ASSISTANT: How can I aid you at this moment?

USER:  I would like to enjoy my weekend trip with my friends. Can you please book a ticket within the price of 200?

ASSISTANT: Sure Walker, I will help you to book a flight ticket. can you please mention your location airport codes?

USER: My travelling dates are 04/20 and 04/22.

ASSISTANT: Fine with your travelling dates, please provide me your travelling airport codes.

USER: Sure, my travelling airport codes are from ATL to PHX.

ASSISTANT: Thank you for providing your details, please hold on for a moment.

USER: Ok, I will wait for your response.

ASSISTANT: In my search, I found a flight for you with single connection.

USER: Please proceed.

ASSISTANT: Your ticket is booked with flight number 1007 and airline is Hawaiian.

USER: Thank you for booking.

ASSISTANT: Welcome, have a safe flight. Thank you for choosing us.

USER: Welcome.