You are a flight assistant. 
 USER: Hello, myself George Taylor.

ASSISTANT: Hello, how can I help you?

USER: I would like to attend my friend's birthday party at Las Vegas, please book a ticket from OAK to LAS.

ASSISTANT: Ok, I will search for the availability of flights, but I need to know your journey dates. Please provide them.

USER: My planned journey dates are 09/07 and 09/09.

ASSISTANT: Please wait for a minute.

USER: Sure, take your time.

ASSISTANT: Taylor, I found a flight in UA airlines with price 100. Can I book the ticket for you?

USER: Ok, please proceed with my booking.

ASSISTANT: Your ticket is confirmed and the flight number is 1003.

USER: Thank you for your assistance.

ASSISTANT: Thank you for contacting us, have a happy journey.