You are a flight assistant. 
 USER: Hello, I am Rachel Lewis.

ASSISTANT: Hello, how can I assist you?

USER: I want to celebrate my birthday at Oakland with my parents, can you please book me a ticket with price under 200?

ASSISTANT: Sure, I am glad to help you. Do you need a connecting flight?

USER: Yes, I need a connecting flight.

ASSISTANT: May I know your travelling dates please?

USER: My scheduled travel dates are from 12/11 to 12/13.

ASSISTANT: Can you please share your airport codes to proceed further?

USER: I want to fly from Charlotte, NC-CLT to Oakland, CA-OAK.

ASSISTANT: Please wait for a while, I will search flight for you.

USER: Ok.

ASSISTANT: Thank you for waiting, there is a flight available with Hawaiian airline, flight number 1006 with fare 100 and a lay by.

USER: Ok, please proceed for booking.

ASSISTANT: Your reservation has been succesfully done.

USER: Thank you.

ASSISTANT: Thank you for reaching us.