You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, may I know your name?

USER: My name is Helen Lewis.

ASSISTANT: How can I be helpful to you?

USER: I want a connecting flight to Chicago for attending to my uncle's house after a long time on 06/17.

ASSISTANT: Ok, provide me your price limit?

USER: It should be under 5000.

ASSISTANT: Can I have your origin and destination codes?

USER: Ok, my origin is Los Angeles, CA - LAX.

ASSISTANT: May I know your return date?

USER: Destination airport code is IL - ORD. My return date is 06/19.

ASSISTANT: Please wait for sometime.

USER: Sure.

ASSISTANT: Thanks for being patience. The flight details are, price limit is 100 from UA airline matching with your given information.

USER: Ok, you can proceed for booking.

ASSISTANT: Flight number is 1018 and single connection between your journey. Your flight booking is confirmed.

USER: Thanks for your assistance.

ASSISTANT: Thanks for opting us.