You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I Help you?

USER: I want to visit Grant park in Chicago, could you book a ticket for me?

ASSISTANT: Sure, may I know your airport code and date please? May I know your name please?

USER: I want to travel from LAS to ORD. I am Barbara Hill.

ASSISTANT: Your dates of travelling please?

USER: My planned dates are 07/19 and 07/21.

ASSISTANT: There is a flight with 1013 number it belongs to AA airlines, can I proceed for booking?

USER: Yes, please.

ASSISTANT: Your booking is confirmed. Have a safe journey. Thank you.

USER: Thank you for your support in booking the ticket.