You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Laura Nelson.

ASSISTANT: How may I support you today?

USER: I am planning to book a ticket from DTW to ORD. Can you please help me out?

ASSISTANT: Sure, we are mirthful to assist you in booking. Could you please let me know if you need a connecting flight?

USER: Yes, I am looking for a connecting flight.

ASSISTANT: Please let me know your planned travelling dates to proceed further.

USER: I am planning to travel on Jan 30 and return back on Feb 01.

ASSISTANT: Do you have any other specifications?

USER: No.

ASSISTANT: Ok, please wait a moment.

USER: Sure.

ASSISTANT: Thank you for sharing your journey details, sorry to inform you that there are no flights found with your essential details.

USER: That's fine, thank you for your service.

ASSISTANT: Thank you for opting us.