You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: My name is Richard Robinson. Could you do me a favour in making my reservation from LAX to ATL?

ASSISTANT: Please help me with your journey dates.

USER: Ok, my travelling dates are from 07/05 to 07/07.

ASSISTANT: Please give me a moment. Richard, no flights has been found on your journey dates.

USER: It's ok, thank you.

ASSISTANT: Thank you for choosing us.