You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I assist you today?

USER: Pamela Baker here. I am planning for a trip to Los Angeles to attend a film awards function. So can you book a flight ticket for me?

ASSISTANT: Sure, can you please share your travel dates?

USER: Yes, my planned dates for travel are from Dec 17 to Dec 19.

ASSISTANT: Could you please help me with the airport codes?

USER: My airport codes for travel would be from ORD to LAX.

ASSISTANT: Do you have any class preference?

USER: Yes, I would like to prefer a normal-cost airline.

ASSISTANT: Sure. Donald Roberts, there is a flight available with price 100 and the connection is 1 with Delta airline. Would you like me to proceed with the booking?

USER: I am fine with the airlines and fare. You can book it.

ASSISTANT: Your booking is confirmed with 1006 flight number.

USER: Thank you.

ASSISTANT: You are welcome. Thank you for contacting us.