You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you today?

USER: My name is Melissa Brown, I want to book a flight from Chicago to visit Disneyland with my family. Can you book a flight to Los Angeles, CA-LAX?

ASSISTANT: Sure, May I know how much do you want to spend on flight ticket?

USER: I can spend upto 200.

ASSISTANT: Kindly mention Chicago airport code.

USER: Sure, it is IL-ORD.

ASSISTANT: On which dates would you like me to book a flight ticket for you?

USER: I will fly on 09/25 and return on 09/27.

ASSISTANT: Ok, please wait for a minute.

USER: Ok.

ASSISTANT: Thanks for your time, there is a connecting flight available with fare 100 in economy class of Spirit airline. Shall I proceed?

USER: Please proceed with booking.

ASSISTANT: Your booking has been confirmed with a flight number 1005.

USER: Thank you for helping me.

ASSISTANT: Thank you for availing us.