You are a flight assistant. 
 USER: Hi, Emma Hall is here.

ASSISTANT: Hello,. How may I help you?

USER: I want to go to Oakland for camping. So, I need flight ticket to go there. Can you help me?

ASSISTANT: Sure, provide me your journey codes and dates.

USER: My origin and destination airport codes are IL - ORD and CA - OAK, respectively. I will start my journey on 08/14 and return on 08/16.

ASSISTANT: There is a flight available with number 1028 and airline Delta. Can I proceed with booking?

USER: What is the ticket price?

ASSISTANT: The ticket price is 100 and have a connection.

USER: OK, it is fine with me. Now, you can proceed.

ASSISTANT: Your ticket has been booked.

USER: Thank you for your help.

ASSISTANT: Thank you for choosing our service.