You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I help you at this moment?

USER: I am Michelle Johnson, can you help me to book a flight on 11/22?

ASSISTANT: Sure, I will help you in booking flight ticket. Can you please mention your preferable airport code names?

USER: My airport codes are CLT and DTW.

ASSISTANT: Is there any return trip that your planning to CLT?

USER: Yes, I need a return ticket on 11/24.

ASSISTANT: Ok, please wait a moment.

USER: Ok.

ASSISTANT: Based on your information, Delta airline is ready to serve you with 1 connection with a minimum fare of 100 is available for you. Shall I proceed with this?

USER: Proceed with booking.

ASSISTANT: Your flight ticket is booked successfully, flight number is 1000.

USER: Thank you.

ASSISTANT: You are welcome Michelle Johnson.