You are a flight assistant. 
 USER: Hi. I am Stephen Robinson.

ASSISTANT: Hello. How can I help you?

USER:  I am planning to attend Orientation in Temple University which is at Philadelphia, PA-PHL, Could you please help me in booking a ticket?

ASSISTANT: Sure, I will help you, may I know your travelling dates?

USER: My journey dates are from 04/23 to 04/25.

ASSISTANT: May I know your source code?

USER: My origin is DCA.

ASSISTANT: Please mention your lay by's.

USER: I need a halt in my journey.

ASSISTANT: Sorry, no flights found on your requested dates.

USER: Not an issue.

ASSISTANT: Thank you for approaching us.

USER: Thank you.