You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Cynthia Lee.

ASSISTANT: How can I assist you?

USER: I want to attend a water theme park in Atlanta.Can you book a ticket for me?

ASSISTANT: Sure, can I know your journey dates?

USER: I would like to travel on 06/24 and 06/26.

ASSISTANT: Please share your travel airport codes?

USER: I want to travel from DCA to ATL.

ASSISTANT: The flight 1005 of Southwest airlines is available on your requested dates with a price of 400. Shall I proceed?

USER: Yes, proceed to booking.

ASSISTANT: Lee, your ticket is booked successfully.

USER: Thank you for your help.

ASSISTANT: You are welcome.