You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Joshua Williams.

ASSISTANT: How may I assist you?

USER: Due to some technical issues in a networking company I have to travel Dallas to solve the problem, can you find a flight for me to DFW from my location New York-LGA?

ASSISTANT: Sure, I m here to help you. Can I have your planned journey dates?

USER: Thank you and I want to fly on 10/08 and I will be back on 10/10.

ASSISTANT: Please wait a moment.

USER: Sure.

ASSISTANT: Sorry Joshua, no flights has been found on your journey dates.

USER: Ok, no issues with that one. Thank you for your quick search and I can ask one of my friend to help me out to reach my location.

ASSISTANT: Thank you for choosing us.

USER: Most welcome.