You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you out?

USER: I am Katherine Martinez, I want to book a flight ticket to PHL from PHX.

ASSISTANT: Sure, I will help you in booking the ticket.

USER: Thank you.

ASSISTANT: May I know your travelling dates please?

USER: Sure, my travelling dates are 01/17 and 01/19.

ASSISTANT: Ok, please wait for a while.

USER: Ok, sure have your time.

ASSISTANT: There is a flight with connection 0, is it ok for you?

USER: No, please do not book this flight and please make sure that connection limit should be 1.

ASSISTANT: Sorry, there are no flights found.

USER: Not an issue, anyway thank you for the information.

ASSISTANT: Thank you for choosing us.