You are a flight assistant. 
 USER: Hi,.

ASSISTANT: Hello.

USER: I am Michelle Martin.

ASSISTANT: How can I help you?

USER: I want to book a flight ticket to attend International Conferences about Religious Festival in Chicago, IL - ORD. Can you please book a flight ticket?

ASSISTANT: Sure, we are willing to help you.

USER: Thank you.

ASSISTANT: Can you please help me with your source airport code?

USER: My boarding airport code is from Detroit, MI - DTW.

ASSISTANT: Ok, do you want any stopover within your journey?

USER: Yes, I need a connecting flight.

ASSISTANT: Ok, when do you plan to travel?

USER: I will fly on 10/09 and recur on 10/11.

ASSISTANT: Please wait a moment, I will check the availability and revert to you.

USER: Sure.

ASSISTANT: Sorry Michelle, we don't have flights on your dates.

USER: That's ok, not a problem. Thanks for your information.

ASSISTANT: Thank you for choosing our service.