You are a flight assistant. 
 USER: Hi,.

ASSISTANT: Hello, how may I aid you today?

USER: Please book a ticket from New York, NY-LGA to Minneapolis & St. Paul, MN-MSP. I'm Charles Evans.

ASSISTANT: Sure, can you please provide your dates of travelling?

USER: Travelling dates are from 12/23 to 12/25.

ASSISTANT: Do you have any other restrictions to be met?

USER: Price limit is 500. Connections limit is 1.

ASSISTANT: Ok, please hold a moment, let me check the flight availabillity?

USER: Sure.

ASSISTANT: Thanks for your time, sorry, unfortunately we have a couple of connections on that route.

USER: Please do not book ticket.

ASSISTANT: Ok, thank you for connecting with us.

USER: Thanks.

ASSISTANT: Have a great day ahead.