You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, what can I do for you?

USER: I am Dennis Edwards. I want to book a flight ticket Phoenix, PHX. Can you help me in booking a flight ticket within the price of 1000?

ASSISTANT: Sure, let me know your origin point.

USER: My origin is Oakland, OAK.

ASSISTANT: When are you going to travel?

USER: I am planning to travel on 10/13 and will be return on 10/15.

ASSISTANT: Give me a moment.

USER: Sure.

ASSISTANT: There is a flight of Delta airline, flight number 1027 with the fare of 100. Can I reserve?

USER: Ok. You can reserve.

ASSISTANT: Your ticket has been confirmed.

USER: Thank you.