You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, what can I do for you today?

USER: Can you please help me in flight ticket booking process from ORD to PHL?

ASSISTANT: Sure, when are you planning to travel?

USER: Thank you for your response, I want to take off on Feb 17 and book my return ticket also on Feb 19.

ASSISTANT: Is there any airline preference?

USER: No.

ASSISTANT: Any other requirement to be met?

USER: I will prefer 1 break in between my journey.

ASSISTANT: Can you mention your name to proceed further?

USER: Sure, my name is Kimberly Johnson.

ASSISTANT: Please wait.

USER: Ok.

ASSISTANT: Sorry, no flights found as per your requirement.

USER: Oh! It's ok, no problem. Thank you for your information.

ASSISTANT: Thank you for contacting us.