You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how could I help you?

USER: Please book me a flight ticket from OAK to LAS.

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

USER: I will start on June 12th and return on June 14th.

ASSISTANT: Do you have any other requirements?

USER: I need 1 lay by within my route.

ASSISTANT: Please share me your name.

USER: I am Kimberly Martin.

ASSISTANT: We found a flight with an United airline of flight 1021 in an economy class with single connection.

USER: Fine, please proceed.

ASSISTANT: Your booking has been confirmed.

USER: Thanks for your support.

ASSISTANT: Thank you.