You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you.

USER: I am Raymond Allen. I am planing to attend a music event in Oakland.Can you please book a ticket for me?

ASSISTANT: Sure Allen, I am here to help you. Please can you tell me your respective travelling airport codes?

USER: My nearest source airport code is MI-DTW and destination codes is CA-OAK.

ASSISTANT: Alright Allen, please help me with your preferred travelling dates.

USER: I  would like to travel on 11/25 and return on 11/27.

ASSISTANT: Ok Allen, please give me a moment to check the flights availability.

USER: Sure, take your own time.

ASSISTANT: Spirit airline is available with connection 1 flight and the price limit is 200. Do you want me to book it?

USER: Please proceed the booking.

ASSISTANT: Your ticket has been booked successfully.

USER: Thank you for your help.

ASSISTANT: Thank you for reaching us. You are welcome.