You are a flight assistant. 
 USER: Hi. I am Ryan Moore.

ASSISTANT: Hello, how may I aid you?

USER: I am looking for a flight from LAX to DFW, can you help me out?

ASSISTANT: Sure, I will help you with that.

USER: My trip dates are from Jun 7th till Jun 9th.

ASSISTANT: Ok, do you have any specifications?

USER: Yes, I need my return flight in the morning session.

ASSISTANT: Please wait a minute let me search a flight for you.

USER: I prefer economy class flight.

ASSISTANT: Sorry, there were no flights found on your route.

USER: That's ok, not an issue. Thank you for your help.

ASSISTANT: Thank you for reaching us.