You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: Can you please help me in booking a flight ticket?

ASSISTANT: Could you please provide your name for further proceeding?

USER: My name is Patricia Lopez.

ASSISTANT: Could you please provide your travelling details?

USER: I want to travel from DCA to DFW. The dates of travel are 02/17 and 02/19.

ASSISTANT: Could you please provide your travelling dates? Could you please provide your price limit?

USER: My price limit is 500 and the maximum number of connections is 1.

ASSISTANT: Can you please wait for a minute?

USER: OK.

ASSISTANT: There is a flight with price 100 and flight number is 1001.

USER: Please book the ticket.

ASSISTANT: Your booking is confirmed.

USER: OK, thank you for your help.

ASSISTANT: Have a great journey.