You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you today?

USER: I am Melissa Allen. I want to book a flight ticket from CLT to DFW. Could you help me in booking?

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

USER: My travelling dates are from Feb 01 - 03.

ASSISTANT: Do you have any class preference?

USER: I prefer for economy class.

ASSISTANT: Melissa Allen, there is a flight available with price 200 and connection is 1 with JetBlue airline. Would you like me to proceed with the booking?

USER: Yes, please proceed.

ASSISTANT: Your booking is confirmed with 1019 flight number.

USER: Thank you.

ASSISTANT: You are welcome.