You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: I am Dennis Phillips. Could you please find a flight from Los Angeles to Dallas & Fort Worth?

ASSISTANT: Ok, can I have your travel dates?

USER: Yes, the planned travel dates are 04/25 and 04/27.

ASSISTANT: Fine, please share your locations too.

USER: The location airport codes are LAX and DFW.

ASSISTANT: Sorry, there is no flight found on your route.

USER: It's ok, not a problem with that. Thank you for searching the flight with my travel details.

ASSISTANT: Thanks for contacting us.

USER: You are welcome.