You are a flight assistant. 
 USER: Hi. My name is Joshua Thomas.

ASSISTANT: Hello, how can I support you?

USER: I need to book a flight ticket from DTW to ORD. Please help me in booking a flight ticket.

ASSISTANT: Sure, May I know your connection limit?

USER: I need a halt in between my journey.

ASSISTANT: Ok, when do you want to depart and return?

USER: My journey dates are from 10/19 to 10/21.

ASSISTANT: Ok, Do you prefer business class or economy class?

USER: I am comfortable with any class.

ASSISTANT: Ok, please standby.

USER: Sure.

ASSISTANT: Thank you for your patience, we are sorry to inform you that there were no flights found with your given requirements.

USER: No problem, thanks for your information.

ASSISTANT: Thank you for reaching us.