You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you today?

USER: I am looking for a flight from DTW to DFW, can you help me in booking?

ASSISTANT: Sure, will you mention your travelling dates please?

USER: Sure, my planned travel dates are Sept 07 and Sept 09.

ASSISTANT: Do you have any preferences about flight connections?

USER: Please look for a direct flight.

ASSISTANT: Do you have any preferences about class?

USER: No, thank you.

ASSISTANT: Please mention your name.

USER: Myself Emily Gonzalez.

ASSISTANT: There is no flights found under your preferable details.

USER: That's ok, no problem. Thank you for the information.

ASSISTANT: Welcome, have a great day.