You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: I am planning to celebrate Friendship day with my childhood friends who is staying in Oakland. Can you please help me to book a flight ticket with fare of 500?

ASSISTANT: Sure, can you please let me know your journey dates?

USER: My journey dates are from 08/06 to 08/08.

ASSISTANT: Please share your source and destination airport codes to confirm your reservation.

USER: My source and destination airports are NV-LAS and CA-OAK.

ASSISTANT: Ok, please wait, I will check and revert you with the best results.

USER: Ok.

ASSISTANT: Thanks for waiting, we found a connecting flight of UA airline that matches your essentials. Price is 100 and flight number is 1023.

USER: Ok, you can proceed for booking.

ASSISTANT: Your reservation  has been confirmed.

USER: Thank you.

ASSISTANT: Thanks for opting us, have a safe journey. Can you please let me know your name?

USER: My name is Benjamin Taylor.

ASSISTANT: Thank you.