You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, how can I help you today?

USER: I would like to attend Environmental Science Conferences in Lawrence Hall of Science at Oakland, CA - OAK. Can you book a connecting flight?

ASSISTANT: Sure, may I know your planned travel dates?

USER: I will fly on 11/18 and recur on 11/20.

ASSISTANT: Please share me your source point.

USER: My source airport is from Las Vegas, NV - LAS.

ASSISTANT: Your good name please.

USER: My name is Susan Parker.

ASSISTANT: We are glad to say that, we found an airline: Southwest, flight number: 1007 and price is 100. Shall I proceed to booking?

USER: Yes, you may proceed.

ASSISTANT: Your flight ticket has been reserved.

USER: Thanks for your helping hand.

ASSISTANT: Thank you for opting us.