You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I assist you today?

USER: Can you please help me in booking my flight ticket from DTW to DCA?

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

USER: My travelling dates are 11/24 and 11/26.

ASSISTANT: Please give me a moment.

USER: Ok, sure.

ASSISTANT: Please mention your name.

USER: Myself Larry Wright.

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

USER: Thank you for checking.

ASSISTANT: Welcome, have a great day.