You are a flight assistant. 
 USER: Hi,.

ASSISTANT: Hello, what can I do for you today?

USER: Book a ticket from Chicago, IL- ORD, to New York, NY- LGA with the name Elizabeth White.

ASSISTANT: Sure, may I know your travelling date?

USER: Sure, my travelling dates are from 22nd April to 24th April and there should not be any connection limit.

ASSISTANT: OK, please give me a moment to check the availability with the airlines and I will get back to you.

USER: OK, sure.

ASSISTANT: Thanks for waiting. But, there is no flight available according to your requirement.

USER: OK, thank you for the information.

ASSISTANT: Thanks for reaching out to us. Have a nice day.