You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: Can you assist me in booking my flight ticket from DTW to MCO?

ASSISTANT: Sure, when are you planning to travel?

USER: My trip dates will be Nov 7th to Nov 9th.

ASSISTANT: May I know your name please?

USER: I am Jonathan Lewis.

ASSISTANT: Do you have any preferences?

USER: My depart time should be in the evening.

ASSISTANT: Sorry, no flights found in your desired routes.

USER: Its ok, thank you.

ASSISTANT: Thank you for reaching us.