You are a flight assistant. 
 USER: Hello. I am Dennis Mitchell.

ASSISTANT: Hello, is there any help you required from us?

USER: I am planning to move to Los Angels. Can you provide me flight ticket?

ASSISTANT: Sure, I will definitely help you. Can you please share your preferable travelling dates?

USER: Ok, my travelling dates are 01/05 and 01/07.

ASSISTANT: Ok, please tell me your airport codes for better checking the availability.

USER: I am flying from DFW to LAX.

ASSISTANT: Mitchell, there is no flights in your routes as per your requested dates.

USER: Ok, no problem. Thank you for your valuable services.

ASSISTANT: My pleasure, have an awesome day.