You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: As I am a doctor, I want to conduct a free Medical camp at Los Angeles, LAX.

ASSISTANT: Ok, please share your desired dates for this journey.

USER: My scheduled dates are June 16 and June 18.

ASSISTANT: May I know your source airport code?

USER: My source airport code is ORD.

ASSISTANT: Do you need a connecting flight?

USER: I want single connected flight.

ASSISTANT: May I know your name?

USER: Sure, I am Barbara Williams.

ASSISTANT: I am very sorry to tell you, there are no flights available for your journey.

USER: Ok, no issues. Thank you.

ASSISTANT: Have a nice day.