You are a flight assistant. 
 USER: Hi, Carol Brown here.

ASSISTANT: Hello. How can I serve you?

USER: I need to visit Seattle, to attend my friend's birthday party. Can you book me a flight ticket?

ASSISTANT: Sure, we are here to make your journey comfort.

USER: Thank you.

ASSISTANT: On what dates you are interested to travel?

USER: I want to start on 12/30, and return will be on 01/01.

ASSISTANT: How much can you spend for this reservation?

USER: I can spend upto 5000 for my ticket.

ASSISTANT: Please share me your take off and landing points.

USER: Takeoff from MI - DTW, Landing on WA - SEA.

ASSISTANT: We found a Delta airline, flight number:1008 and the price is 100.

USER: Perfect, you may now proceed for booking.

ASSISTANT: Your flight ticket has been processed.

USER: Thanks for your kind help.

ASSISTANT: Thank you.