You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: I would like to book a ticket from LGA to CLT, can you please help me out?

ASSISTANT: Sure, please share your planned travel dates?

USER: I am travelling on these dates July 1st and 3rd.

ASSISTANT: Do you have any connection limit?

USER: I need single connected flight.

ASSISTANT: Any other preferences?

USER: I don't have any other preferences.

ASSISTANT: Can I have your name please?

USER: Cynthia Johnson here.

ASSISTANT: Sorry, no flights found with your given details.

USER: Ok no problem, thank you for your services.

ASSISTANT: Thank you for opting us.