You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I support you today?

USER: My name is Brandon Phillips, I want to book a flight from Los Angeles, CA-LAX to attend a meeting with client. Can you book a connecting flight for me?

ASSISTANT: Sure, please share your travel dates.

USER: I will fly on 06/30 and return on 07/02.

ASSISTANT: May I know your boarding airport code?

USER: My destination point is IL-ORD.

ASSISTANT: Sorry to say that, there are no flights available on the routes of your journey.

USER: Ok, thank you for the information.

ASSISTANT: Thank you for reaching us.