You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I help you today?

USER: Please help me in booking my flight ticket from DTW to DFW?

ASSISTANT: Sure, kindly mention the dates of your journey.

USER: My travelling dates are Jan 15 and 17.

ASSISTANT: May I know your connection limit?

USER: I need connecting flight.

ASSISTANT: Do you have any other requirements?

USER: No.

ASSISTANT: Ok, may I know your name?

USER: Myself James Walker.

ASSISTANT: Ok, please wait for a minute.

USER: Sure.

ASSISTANT: Sorry, there were no flights found on your route.

USER: Thanks for checking.

ASSISTANT: Thank you for contacting us.