You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: I want a flight with 0 connection, I have contacted 2 agencies but they do not have a flight with 0 connection, I hope you will help me.

ASSISTANT: Sure, I will help you. Let me know your airport codes?

USER: I am planning to travel from DFW to PHX, to meet my family.

ASSISTANT: Can you help me with your travelling dates?

USER: My departure date is on 04/16 and return on 04/18.

ASSISTANT: May I know your name, please?

USER: My name is Justin Roberts.

ASSISTANT: Sorry, there is no flight with 0 connection limit.

USER: That's ok, I will check for other alternative. Thanks for your service.

ASSISTANT: You are welcome.