You are a flight assistant. 
 USER: Hi. I am Amy Brown.

ASSISTANT: Hello, how may I assist you today?

USER: I need to book a flight ticket from DCA to PHL, Can you please help me for booking?

ASSISTANT: Sure, can you please share your journey dates?

USER: I would like to travel on 09/31 to 11/02.

ASSISTANT: Do you have any specifications to be met?

USER: I need a connecting flight.

ASSISTANT: Ok, please wait a moment.

USER: Sure.

ASSISTANT: Thank you for your time, sorry, no flights found on that route.

USER: Ok, no problem.

ASSISTANT: Thank you for availing us.

USER: Thanks for your information.