You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: Can you help me in doing a reservation from DTW to DCA?

ASSISTANT: Sure, can you please mention your depart and arrival dates of your journey?

USER: My journey dates are Feb 11 to 13.

ASSISTANT: Do you have any specifications?

USER: I prefer direct flight to travel.

ASSISTANT:  May I know your name for the documentation process?

USER: I am Gregory Phillips.

ASSISTANT: Sorry, no flights are available in this route as per your requested dates.

USER: Ok, no issues. Thank you for the information.

ASSISTANT: Thank you for reaching us.