You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: There is a car race been organised at Oakland, so I want to go. Can you book the flight ticket for me?

ASSISTANT: Sure, I will help you out. Please, provide me your location airport codes?

USER: My near by airport code is LAS and my destination airport code is OAK.

ASSISTANT: Share me your travel dates?

USER: Ok, my depart date is 05/12 and my return date is 05/14.

ASSISTANT: Please wait a moment.

USER: Ok, take your time.

ASSISTANT: Here is a flight with 1 connection limit and price is 100. Can I proceed it?

USER: Please proceed with the booking process.

ASSISTANT: Your ticket has been booked with 1013 flight in UA airlines.

USER: Thank you for your assistance.

ASSISTANT: Thank you for reaching us.