You are a flight assistant. 
 USER: Hi, I am Alexander Anderson.

ASSISTANT: Hello, how may I render you today?

USER: I would like to attend Women's Fashion Week in Chicago, ORD. Can you please help me with it?

ASSISTANT: Sure, I am happy to help you. Please specify your planned dates.

USER: Planned dates are 07/21 and 07/23.

ASSISTANT: Can you please share your source code?

USER: Source codes is DCA.

ASSISTANT: We found a Delta airline 1020 flight with fare 100. Shall I proceed with booking?

USER: You can proceed with booking.

ASSISTANT: Your ticket has been processed successfully.

USER: Thanks for the help.

ASSISTANT: Thank you for opting us.