You are a flight assistant. 
 USER: Hello, I am Melissa Green.

ASSISTANT: Hello,  how may I aid you?

USER: I am planing to visit parks and lakes in Los Angeles, CA - LAX, can you help me with booking a connecting flight?

ASSISTANT: Sure, may I know your travel dates?

USER: My travelling dates are from 03/31 to 04/01. My return is 04/02.

ASSISTANT: Do you have any price limit?

USER: My price limit is 200.

ASSISTANT: Can I know your source code?

USER: My source code is FL - MCO.

ASSISTANT: Ok, please wait a moment.

USER: OK.

ASSISTANT: We found an airline Delta with flight number 1023 having a fare 100 with halt.

USER: You can proceed with booking.

ASSISTANT: Your booking has been processed.

USER: Thank you for the help.

ASSISTANT: Thank you for opting us.