You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Myself Emma Rodriguez.

ASSISTANT: What service that you are looking from our agency Emma?

USER: I would like to meet my friend at Atlanta, will you help me in booking the flight ticket from LAX to ATL?

ASSISTANT: Sure, I am glad to assist you with that. Can you please provide your itinerary planned dates of travelling?

USER: My preferable journey dates are 14/16 and 14/18.

ASSISTANT: Please wait a moment to check the flights availability in your route and I will get back with a best flight in our service.

USER: Ok, I will wait for your response.

ASSISTANT: We regret to inform you that there are no flights moving to requested region with your planned dates of travelling.

USER: Ok, not an issue. Thank you for your information.

ASSISTANT: Thank you for reaching to our services, hope you have a great day.