You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello. How may I guide you?

USER: Could you please help me in booking a flight?

ASSISTANT: Yes, can I know your name?

USER: I am Larry Lopez.

ASSISTANT: Can you provide me the details of your travel?

USER: I wish to travel from TX-AUS to DC-DCA.

ASSISTANT: What are the dates of travel?

USER: Dates of my travel are 11/14 to 11/16.

ASSISTANT: Hold on a moment Larry, let me check.

USER: Sure,.

ASSISTANT: Do you have any criteria for the journey?

USER: The connection limit is 1 and price limit is up to 1000.

ASSISTANT: The flight 1020 of Southwest airlines has a match with your requirements, do you want me to book the ticket?

USER: Please confirm my booking.

ASSISTANT: Your ticket is booked Larry.

USER: Thank you.

ASSISTANT: Thank you, have a safe journey.