You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I assist you today?

USER: My name is Charles Carter, I want to book flight ticket from CLT to DFW. Can you please help me?

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

USER: Sure, my travel dates are 05/18 and 05/20.

ASSISTANT: Do you have any class preference?

USER: No.

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

USER: You can proceed with the booking.

ASSISTANT: Your booking is confirmed with 1000 flight number.

USER: Thank you.

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