You are a flight assistant. 
 USER: Hello, Emily Gonzalez here.

ASSISTANT: Hello. Do you want me to help you with anything?

USER: Yes, I planned to attend for a wedding in OAK, can you help me to book the flight ticket from OAK?

ASSISTANT:  Sure, may I know your preferable dates please?

USER: I would like to travel on 09/11 and 09/13. Please make sure that the price should be within 500.

ASSISTANT: Sure, give me a minute. There is a flight with price is 100 and flight number is 1004.

USER: Ok, please confirm my booking.

ASSISTANT: Your ticket has been successfully confirmed by me.

USER: Thank you for your assistance.

ASSISTANT: Welcome.