You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I help you?

USER: I want to book a ticket from IAD to LGA, can you help me?

ASSISTANT: Ok, can you please help me with your dates of trip?

USER: My travel dates are 04/03 and 04/05.

ASSISTANT: May I know your name please for your further process of booking?

USER: Sarah Smith here.

ASSISTANT: Smith, the flight with the connections limit 1 of fare 200, shall I book this ticket?

USER: I need a flight with connection 0.

ASSISTANT: Sorry, there is no flight found as per your name to reserve any ticket.

USER: No problem, thanks for checking.

ASSISTANT: You are welcome.