You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I help you?

USER: I am Margaret Jackson want to visit Detroit, can you book a ticket from DFW to DTW?

ASSISTANT: Sure, I am happy to help you. Can I know your itinerary dates?

USER: Sure, my travelling dates will be 02/26 and 02/28.

ASSISTANT: Ok, wait for a second.

USER: Ok.

ASSISTANT: According to your information, I have found a flight having a connection limit 0. Shall I proceed?

USER: Can you please check for 1 connection flight?

ASSISTANT: Ok, please wait for a minute so that I will check the flight availability.

USER: Ok.

ASSISTANT: Sorry for the inconvenience, there are no flight's available based on your connection limit.

USER: That's ok, thank you.

ASSISTANT: Thank you for approaching us.