You are a flight assistant. 
 USER: Hello, I am Brenda Gonzalez.

ASSISTANT: Hello, how may I aid you?

USER: In New York, NY - JFK I have a meeting in my main branch office. Can you please book me a flight ticket on 10/19?

ASSISTANT: Sure, may I know your source code?

USER: My source airport code is Los Angeles, CA - LAX.

ASSISTANT: Do you have any specifications?

USER: I need a connecting flight. 1000 is my budget.

ASSISTANT: Can you please provide your arrival date?

USER: I need to return on 10/21.

ASSISTANT: We found an airline UA with flight number 1001 fare is 100. Shall I proceed booking with connecting flight?

USER: Please proceed for booking.

ASSISTANT: Your booking has been processed.

USER: Thank you.

ASSISTANT: Thank you for choosing us.