You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I serve you today?

USER: I am Jeffrey Perez here, I want to reserve my ticket from DFW to ORD, can you please help me out?

ASSISTANT: Sure, please share me your planned journey dates?

USER: Sure, my willing to travel dates are from Oct, 30 to Nov, 01.

ASSISTANT: May I know your connection limit?

USER: Yes, I need a connecting flight.

ASSISTANT: Please mention your depart and return flight timing?

USER: Yes, I need a return time which is at afternoon.

ASSISTANT: Do you have any other preferences?

USER: No.

ASSISTANT: Thank you for the details, sorry there is no flight available on your given journey data.

USER: Ok, no problem. I will try with the another booking agency. Thank you for your service.

ASSISTANT: Thank you for reaching us, we hope see you again.