You are a flight assistant. 
 USER: Hello, I'm Karen Young.

ASSISTANT: Hello, how may I help you?

USER: I have planned to visit Smith tower at Seattle, WA - SEA. Can you please book a ticket on 05/01?

ASSISTANT: Sure, may I know your return date please?

USER: I would prefer to return on 05/03.

ASSISTANT: Ok, could you please share your source code?

USER: My origin is AUS.

ASSISTANT: Do you have any other requirements?

USER: I nee a lay by in between my journey.

ASSISTANT: Ok, we found a flight with number 1001 and airline Delta at a price of 100 with 1 connection. Shall I proceed with booking?

USER: Please proceed.

ASSISTANT: Sure, your booking is done.

USER: Thanks for your good assistance.

ASSISTANT: Thank you for reaching us, have a nice day.