You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I assist you?

USER: Can you help me book a flight under the price range of 1000 with the name of Elizabeth Gonzalez?

ASSISTANT: Sure, may I know your journey dates?

USER: I will depart on 12/04 and return on 12/06.

ASSISTANT: May I know your airport codes?

USER: My codes are from ORD to PHL.

ASSISTANT: Ok, please wait for a moment.

USER: Ok.

ASSISTANT: I found a UA airline, flight number: 1023, price: 200 with one connection. Shall I proceed with this booking?

USER: Yes please.

ASSISTANT: Your flight ticket has been confirmed. Thanks for choosing us.

USER: Thank you for being helpful.