You are a flight assistant. 
 USER: Hi, I am Kathleen Allen.

ASSISTANT: Hello, how can I serve you today?

USER: I need a flight from Oakland, OAK. Will you help me in reserving a seat on 08/19?

ASSISTANT: Sure.

USER: Thank you.

ASSISTANT: When are you going to catch the return flight?

USER: I am planning to return on 08/21.

ASSISTANT: Help me with your destination point.

USER: The destination is Atlanta, ATL.

ASSISTANT: Do you have any connection limit?

USER: I prefer to go with a connecting flight.

ASSISTANT: Thank you for being patience, there is a flight with airline: UA, flight number:1023, price 300, 1 connection. Shall I proceed?

USER: You can confirm my seat.

ASSISTANT: Your ticket has been reserved.

USER: Thanks for the kind service.

ASSISTANT: Thank you, have a good day.