You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Patricia Jackson.

ASSISTANT: Jackson, how can I aid you today?

USER: I would like to visit Las Vegas to watch football game, can you please help me in booking the flight ticket from DCA to LAS?

ASSISTANT: Sure, I am at your service to help you. Can you please provide your planned dates?

USER: My preferable journey dates are from 07/07 to 07/09.

ASSISTANT: Ok, please wait for a minute.

USER: Sure, I will wait for your response.

ASSISTANT: Flight 1019 of Southwest airlines is available for you with 1 connection.

USER: Please book my ticket with this airlines.

ASSISTANT: Jackson, your booking is done.

USER: Thank you for booking my ticket.

ASSISTANT: You are welcome.