You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I help you?

USER: Help me in booking a ticket with the name of Janet Campbell under the price limit of 500.

ASSISTANT: Sure, please provide your travel dates?

USER: To attend Chicago International Auto Show as they are exhibiting more than 400 vehicles from many branded companies on 07/28. And the return date from this place is on 07/30.

ASSISTANT: May I know your airport codes?

USER: This event is at Chicago, ORD and my source point is New York, LGA.

ASSISTANT: Do you need any connection limit?

USER: Connection limit is 1.

ASSISTANT: Ok, please wait a moment.

USER: Sure.

ASSISTANT: Sorry, there were no flights found on your route.

USER: No worries at all.

ASSISTANT: Thank you for opting us.

USER: Thank you for your helping hand.