You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you today?

USER: My name is Robert Taylor and I want to book a ticket.

ASSISTANT: Sure Taylor. Can I know your travelling locations?

USER: My origin airport code is WA-SEA and the destination airport code is CO-DEN.

ASSISTANT: Let me know your travel dates please.

USER: My departure date is 04/10 and return date is 04/12.

ASSISTANT: Please give me a minute.

USER: OK.

ASSISTANT: Thank you for waiting. I have found a flight with number 1012 which belongs to Delta airline. Do you have any limits?

USER: Yes, my price limit is 500 and the connections limit is 1.

ASSISTANT: Yes, it matches with your limits. Can I proceed with booking?

USER: OK, please proceed for booking.

ASSISTANT: Your ticket has booked. Thank you for reaching us.

USER: Thanks for helping me.

ASSISTANT: Have a safe journey.