You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: Could you please book me a ticket from PHL to IAD.

ASSISTANT: Sure, could you please specify your dates of travel?

USER: Departure date is 03/17 and return date is 03/19.

ASSISTANT: OK, please hold on.

USER: Sure.

ASSISTANT: I found a ticket with airline AA and connections limit is 2. Flight number is 1019. Do you have any restrictions for price limit?

USER: Could you please check with connections limit zero.

ASSISTANT: No, there is no flight available with connection limit 0.

USER: That's OK. Don't confirm the booking.

ASSISTANT: Thank you, for consulting us.

USER: You're welcome.

ASSISTANT: May I know your name please?

USER: My name is Catherine Phillips.

ASSISTANT: OK, thank you.