You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. May I know your good name please?

USER: I'm Timothy Martin. Can you help me to book a ticket from CA - LAX to TX - DFW?

ASSISTANT: Can you please tell me the travelling dates?

USER: Yes, my travel dates are 07/27 and 07/29.

ASSISTANT: OK, please wait for a moment.

USER: OK.

ASSISTANT: Thank you for waiting Timothy. Can you please tell me the price and the connections limit?

USER: Yes, my price limit is 1000 and connection should be 0.

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

USER: OK, thank you.

ASSISTANT: Thank you.