You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: I would like to attend a cultural event at Atlanta, can you help me to book a flight ticket from CLT to ATL?

ASSISTANT: Sure, I am glad to help you. Please help me with your travelling dates.

USER: My travelling dates are 20 to 22 of Oct.

ASSISTANT: Do you prefer any stopover in between journey?

USER: I need a single connection flight.

ASSISTANT: Are there any other specifications for you?

USER: I prefer to depart in the evening.

ASSISTANT: Can I have your good name?

USER: I am Raymond Phillips.

ASSISTANT: Sorry, we are unable to provide flights on your journey routes.

USER: It's ok, not an issue. Thank you.

ASSISTANT: Thank you for availing us.