You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I assist you?

USER: Matthew Smith here. I need a flight from DCA to PHL, can you please help me in booking?

ASSISTANT: Sure Smith, I am here to help you out. Please provide me your travel dates.

USER: My trip dates are from 08/17 till 08/19.

ASSISTANT: I found a direct flight in your route. Is it ok for you?

USER: Please search a flight with 1 connection.

ASSISTANT: Please wait a moment, let me check with your request.

USER: Ok, take your time.

ASSISTANT: Sorry Smith, there is no flight in your trip with 1 connection.

USER: That's ok, thank you for the information.

ASSISTANT: Thank you for reaching us.