You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: I am planning to spend my free time with my family at Chicago, can you help me with booking?

ASSISTANT: Sure, we are here to help you. Please help me with your travelling dates.

USER: My travelling dates are June 22 and June 24.

ASSISTANT: Kindly mention your source airport code.

USER: My source airport code is PHL.

ASSISTANT: Do you have any stopover in between journey?

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

ASSISTANT: Is there any other specifications for you?

USER: No.

ASSISTANT: Can I have your good name?

USER: I am Justin Martinez.

ASSISTANT: Sorry, no flights are available on your journey routes.

USER: Ok, no issues. Thank you for your response.

ASSISTANT: Thank you for contacting us.