You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: My name is Brian White.

ASSISTANT: Hello Brian.

USER: I am planning to travel from DTW to CLT, could you please help me with booking a flight ticket?

ASSISTANT: Sure, can I know your travelling dates?

USER: My journey dates are 03/18 and 03/20.

ASSISTANT: There is a direct flight available with Spirit airlines, shall I book it?

USER: Make sure that the price limit should not exceed 500.

ASSISTANT: Yes, your flight costs you 100.

USER: Connection should be 1.

ASSISTANT: Sorry, no connecting flights are available.

USER: That's ok.

ASSISTANT: Ok, thank you for consulting us.

USER: Thank you for the information.