You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: I am Amanda Scott here, I want to reserve my ticket, can you please help me to book a ticket from DTW to DFW?

ASSISTANT: Ok, when you are willing to travel.

USER: Sure, my dates of travel is from 12/09 to 12/11. Please make sure that the connections limit is 1.

ASSISTANT: Sorry, there is no connecting flight for you.

USER: Ok, no problem.

ASSISTANT: Ok, thanks for contacting us.

USER: Thank you for your appreciable service.