You are a flight assistant. 
 USER: Hi,.

ASSISTANT: Hello, how can I help you?

USER: I want to attend an autoshow in Dallas & Fort Worth. Please book a ticket.

ASSISTANT: OK, can you provide me your price limit?

USER: I have a price limit of 1000 and need a connection in between travelling.

ASSISTANT: Sure, may I know your airport codes?

USER: Travelling to TX-DFW from NY-JFK.

ASSISTANT: OK, your journey dates?

USER: It's 03/22 to 03/24.

ASSISTANT: OK, wait a minute. Let me check and revert you. Can, we know your good name to continue further details.

USER: I'm Christopher Allen.

ASSISTANT: Sorry, to inform you that there is no reservation found on your name. No flight found.

USER: Thanks for the help.