You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you today?

USER: I want to travel from SEA to ORD. Can you help me to book a flight ticket?

ASSISTANT: Sure, I am glad to help you in booking. Can you please share your travel dates?

USER: I want to fly in the flight on Aug 07 and Aug 09.

ASSISTANT: Let me know your connection limit.

USER: I don't have any connection limit.

ASSISTANT: Do you have any specifications?

USER: No.

ASSISTANT: We found a direct flight for you in economy class and it costs you 200. Can I proceed?

USER: Proceed to booking.

ASSISTANT: To proceed further, may I know your name?

USER: I am John Johnson.

ASSISTANT: Your booking is done with flight 1000 in Delta airlines.

USER: Thank you for your help.

ASSISTANT: Thank you for reaching us, have a safe flight.