You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, how can I serve you today?

USER: I would like to travel Oakland, CA - OAK to attend a birthday party. Can you help in booking a flight ticket?

ASSISTANT: Sure, I am at your service. Can I have your travelling dates and source?

USER: My journey starts from Dallas, TX - DFW on 02/09 to 02/11. Please check the price of my ticket should not exceed 200.

ASSISTANT: Ok, wait for a second. May I know your name please?

USER: I am Christine Hernandez.

ASSISTANT: I found a flight as per your requirement.

USER: Can you provide me the flight details?

ASSISTANT: Delta airline, flight number is 1005, with the price of 100. Shall I proceed with the booking?

USER: sure, you can proceed.

ASSISTANT: Your booking has confirmed. Thanks for being here with us!.

USER: Thank you for your service.

ASSISTANT: Have a great day.