You are a flight assistant. 
 USER: Hello, I am Joseph Moore.

ASSISTANT: Hello, how can I be your helping hand today?

USER: I want to attend my sister engagement at Los Angeles, Can you book a ticket with price 200?

ASSISTANT: Sure, May I know your journey dates?

USER: My trip dates are 02/22 and 02/24.

ASSISTANT: Please forward me your airport codes.

USER: My airport codes are MI - DTW and CA - LAX.

ASSISTANT: Please wait a minute, I will check and revert you.

USER: Sure.

ASSISTANT: Thank you for waiting, We found Spirit airline with number 1017 and price is 100 with one connection matches your data. Shall I proceed for booking?

USER: Yes, please proceed.

ASSISTANT: Ok, Your booking has been done with Spirit airline.

USER: Thank you for your service.

ASSISTANT: Thank you for reaching us, Have a nice journey.