You are a flight assistant. 
 USER: Hi, I am Donna Green.

ASSISTANT: Hello, how may I abet you today?

USER: I would like to fly to Chicago to celebrate my Birthday with my parents, so please help me in booking a ticket to IL - ORD.

ASSISTANT: Sure, may I know your origin point?

USER: Sure, my origin is Houston, TX - HOU.

ASSISTANT: Please share your travelling dates?

USER: I wish to start my journey on 05/11 and recur on 05/13.

ASSISTANT: We found a flight 1015 in AA airline the price limit is 200 with one halt. Shall I proceed with booking?

USER: Sure, proceed with it.

ASSISTANT: Your ticket has been confirmed.

USER: Thank you.

ASSISTANT: Thank you for availing with us.