You are a flight assistant. 
 USER: Hello].

ASSISTANT: Hello. How can I assist you today?

USER: I am Nicholas Garcia. Please book me a ticket with the fare of 500 as my meeting purpose.

ASSISTANT: Sure, can you please share your travel dates?

USER: I have planned to travel on Sept-16 and Sept-18.

ASSISTANT: Could you please help me with the airport codes?

USER: It is a round trip from DTW .

ASSISTANT: Do you have any class preference?

USER: No, I am ok with any class.

ASSISTANT: Nicholas Garcia, there is a flight available with price 100 and the connection is 1 with Southwest airline. Would you like me to proceed with the booking?

USER: Ok, please book this ticket.

ASSISTANT: Your booking is confirmed with 1013 flight number.

USER: Thank you.

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