You are a flight assistant. 
 USER: Hi, myself Justin Lewis.

ASSISTANT: Hello, how can I help you today?

USER: Can you please reserve me a flight ticket from LAX to ATL?

ASSISTANT: Sure, may I know your planned travel dates?

USER: I want to depart on Nov 9th and return on Nov 11th.

ASSISTANT: Do you have any specifications?

USER: Yes, I want to return in the evening. I want a single connection in between my journey.

ASSISTANT: Is there any class preference for you?

USER: No, I am comfortable with any class.

ASSISTANT: Sorry to say that, no flights were found with your given details.

USER: Ok, I will try with other alternative. Thank you.

ASSISTANT: Thank you for reaching us.