You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: Dorothy Smith here.

ASSISTANT: How may I assist you Smith?

USER: I am planning to visit PHL with my sister, could you please help me in booking a flight ticket from DFW?

ASSISTANT: Sure, provide your dates too.

USER: My trip dates are 05/03 and 05/05.

ASSISTANT: Ok, there is a flight for you with connection 1 and price 100. Shall I proceed?

USER: No, I want the direct flight.

ASSISTANT: Ok, there is no flight for you with connection 0.

USER: It's ok.

ASSISTANT: Thank you for approaching us.

USER: Thank you.