You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: Can you help me to book a flight ticket from DCA to PHL?

ASSISTANT: Sure, please share your travel dates to proceed further with the booking.

USER: My travel dates are May 01 and May 03.

ASSISTANT: Which class do you prefer to travel?

USER: I am comfortable with any class.

ASSISTANT: May I know your connection limit?

USER: I prefer direct flight.

ASSISTANT: Do you have any other preference?

USER: No.

ASSISTANT: May I know your name please?

USER: I am Amanda Rodriguez.

ASSISTANT: Sorry, we don't have any direct flight available for your journey.

USER: No problem, thank you for the information.

ASSISTANT: Thank you.