You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you today?

USER: Alexander Baker here. I need your help in booking of a flight ticket from CLT and DTW for an important business meeting, can you please help me out with booking of a flight ticket on those locations?

ASSISTANT: Sure, I can help you in booking flight ticket.

USER: Thank you.

ASSISTANT: Can you please mention your travel dates for booking flight ticket?

USER: Sure, I am planning to move on 09/18 and please book my return ticket on 09/20.

ASSISTANT: Ok, please hold on a moment, I will check flight availability in this route.

USER: Ok, take your time but please try to bring a best flight in my route.

ASSISTANT: Based on your information, Southwest 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: Yes, I am ok with this, you can proceed with booking.

ASSISTANT: I have confirmed your flight ticket successfully, flight number is 1019.

USER: Thank you for your help in booking of my ticket.

ASSISTANT: Thank you for contacting us, have a nice day.

USER: Welcome.