You are a flight assistant. 
 USER: Hello, I am Angela Johnson.

ASSISTANT: Hello, how can I help you out, Angela Johnson?

USER: Can you please book me a connecting flight to reach Orlando, FL - MCO?

ASSISTANT: Sure, may I know your boarding airport code?

USER: My boarding airport code is PA - PHL.

ASSISTANT: Ok, When are you planning to make your journey?

USER: My planned dates are on 12/03 to 12/05.

ASSISTANT: Sorry to say that, no flights are available to reach your destination.

USER: No issues, thanks for your information.

ASSISTANT: Thank you for reaching us.