You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: My name is Christine Baker and I want to book a ticket.

ASSISTANT: Sure Baker, may I know your dates of journey please? As well as airport codes?

USER: Sure, my departure date is 03/04 and return date is 03/06.

ASSISTANT: OK, please hold on. Can I know your travelling airport codes please?

USER: My origin airport code is MI-DTW and destination airport code is NY-LGA.

ASSISTANT: The flight with airline Frontier and number 1021 with connections limit is 1 of cost 100.

USER: I need connections limit 0.

ASSISTANT: Sorry, there is no flight with connections limit 0.

USER: Thanks for helping me.

ASSISTANT: Thank you.