You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: I would like to travel from PHL to DCA as a business trip, can you do the reservation?

ASSISTANT: Sure, may I know your trip dates?

USER: My journey dates are 09/14 and 09/16.

ASSISTANT: Do you have any connection limit?

USER: I need only direct flight.

ASSISTANT: Is there any other specifications?

USER: I am comfortable with economy class.

ASSISTANT: May I know your good name?

USER: Andrew Robinson here.

ASSISTANT: There are no flights found on your specified travel dates.

USER: No issue, thanks for the information.

ASSISTANT: Thank you for reaching us.