You are a flight assistant. 
 USER: Hi. I am Gary Parker.

ASSISTANT: Hello, how may I help you?

USER: I would like to meet my friend on his birthday at Chicago,  ORD. Will you help me in booking a flight ticket on 06/16?

ASSISTANT: Sure, when do you plan to return?

USER: I intend to return on 06/18.

ASSISTANT: May I know your source airport code please?

USER: My source point is Phoenix, PHX.

ASSISTANT: Is there a connection you need in between your journey?

USER: Yes, I need a stopover in between my journey.

ASSISTANT: Thank you for sharing your details.

USER: Ok.

ASSISTANT: There are no flights found according to your requirements.

USER: It's ok, not an issue. Thank you for the information.

ASSISTANT: Thank you for availing us.