You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Jerry Lewis.

ASSISTANT: How can I aid you?

USER: I need to book a ticket to meet my sister and her friend for enjoying the weekend with them. Could you please help me in booking a ticket from ORD?

ASSISTANT: sure. I am perky to help you. May I know your trip dates please?

USER: My travelling dates are 06/12 and return on 06/14.

ASSISTANT: Can I have your destination airport code?

USER: My destination code is ATL.

ASSISTANT: Do you have any specifications?

USER: I prefer to have a halt in between the journey.

ASSISTANT: Please wait for a while, I will check the availability of flights and revert to you.

USER: Sure.

ASSISTANT: Thank you for waiting. Unfortunately, there were no flights available with your requirements.

USER: No issues, thank you for your information.

ASSISTANT: Thank you for reaching us.