You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you?

USER: Can you please help me in booking my ticket from CLT to LGA?

ASSISTANT: Sure, can you share your trip dates?

USER: My trip dates are from 10/31 to 11/02.

ASSISTANT: Do you have any specifications?

USER: I need a single connecting flight and also, my return time will be in the afternoon.

ASSISTANT: May I know your name?

USER: Myself Timothy Martin.

ASSISTANT: Sorry, there is no flight on your given dates.

USER: It's ok, thank you.

ASSISTANT: Thank you for reaching us.