You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I aid you today?

USER: I need a plane ticket reservation from CLT to ORD, can you please help me with booking?

ASSISTANT: Sure, could you please mention with your dates of journey?

USER: Sure, my journey dates are Feb 20 to Feb 22.

ASSISTANT: May I know your good name please?

USER: Sure, my name is Eric Harris.

ASSISTANT: Are you looking for any other help from my side please?

USER: Yes, I need a flight which will depart in the evening time with a single drop off.

ASSISTANT: Please wait for a moment.

USER: Sure.

ASSISTANT: Sorry Eric, there is no flight found as per your travelling details.

USER: Sad to hear that. Thank you for your information.

ASSISTANT: You are welcome.