You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Paul Lewis.

ASSISTANT: How may I aid you?

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

ASSISTANT: Sure, I am glad to help you. Could you please share your departure and arrival dates?

USER: I am planning to travel on 06/28 and return on 06/30.

ASSISTANT: Thanks for waiting, there are no flights found on your travel dates.

USER: Oh! not a problem, I will choose another agency to reach my destination.

ASSISTANT: Thank you for contacting us, have a nice day.