You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you today from my end?

USER: Can you please assist me in booking a flight ticket for round trip as I am planning to attend for my friend's birthday party on 07/02?

ASSISTANT: Sure, I am here to help you out. Please provide me your location airports.

USER: As it is a round trip, my airport code is Chicago, ORD.

ASSISTANT: May I know your recur travel date of your journey?

USER: My return will be on 07/04.

ASSISTANT: Here is a flight with 1 stop over and price is 100 in economy class, can I proceed with it?

USER: Yes, you can proceed.

ASSISTANT: Could you mention me your name to proceed further?

USER: I am Charles Wilson.

ASSISTANT: Your ticket has been booked with 1015 flight in Delta airlines.

USER: Thank you for aiding me.

ASSISTANT: Thank you for reaching us.