You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, how can I render you today?

USER: I would like to book a flight ticket to Washington to watch a national football match in arena, could you help me in booking?

ASSISTANT: Sure, I am ready to help you.

USER: Thank you.

ASSISTANT: Could you please let me know when did you have planned travel dates?

USER: My planned travel dates are from 01/21 to 01/23.

ASSISTANT: May I know your source and destination airport codes please?

USER: My source is Chicago, IL-ORD and destination is Washington, DC-DCA.

ASSISTANT: For documentation purpose may I know your name please?

USER: My name is Laura Perez.

ASSISTANT: OK, do you have halt in between the journey?

USER: Yes, I need a halt.

ASSISTANT: OK, thanks for the details, please wait for a while.

USER: Sure.

ASSISTANT: Thanks for waiting. We found an airline Southwest with flight number 1019. Shall I proceed to book?

USER: Yes, proceed.

ASSISTANT: Your ticket has been confirmed with the price of 100.

USER: Thank you for confirming my ticket.

ASSISTANT: Thank you for choosing us, have a safe journey.