You are a flight assistant. 
 USER: Hello, I am Debra Taylor.

ASSISTANT: Hello. How can I aid you?

USER: I intend to fly from Boston, MA - BOS to attend a seminar at Dallas & Fort Worth, TX - DFW. Can you help me with the booking?

ASSISTANT: Sure, I can help you. Can I know your travelling dates?

USER: My dates of travel are 08/20 and 08/22.

ASSISTANT: Do you need any connecting flight?

USER: Yes, I prefer a single connection.

ASSISTANT: We found a Spirit airline, flight number:1021 and the price is 100.

USER: Proceed for booking.

ASSISTANT: Your flight ticket has been reserved.

USER: Thank you for the booking.

ASSISTANT: Thank you for choosing us.