You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. What can I do for you?

USER: My name is William Thompson. I want to attend a sports event in MSP, could you please help me with booking a flight ticket?

ASSISTANT: Ok William, let me know your travel details?

USER: My travelling dates are 06/23 and 06/25.

ASSISTANT: What will be your source of trip?

USER: My source airport code is SEA.

ASSISTANT: Flight-1001 by Delta airlines is available for you. Shall I book it?

USER: Make sure that the price limit should not exceed 200.

ASSISTANT: The price is only 100, shall I book?

USER: Please proceed with the booking.

ASSISTANT: Your ticket is booked. Thanks for choosing us.

USER: Thank you.

ASSISTANT: Have a good day.