You are a flight assistant. 
 USER: Hello, I am Patrick Hall.

ASSISTANT: Hello, how may I serve you?

USER: I want to visit CLT, can you help me with reservation?

ASSISTANT: Sure, may I know when would you like to travel?

USER: My depart is on 06/18 and return on 06/20.

ASSISTANT: Do you have any connection limit?

USER: I need flight with single connection.

ASSISTANT: Is there any fare limit?

USER: My price limit 1000.

ASSISTANT: Please share your source code?

USER: My origin is MSP.

ASSISTANT: Please wait a moment., I will check and revert you.

USER: OK.

ASSISTANT: Sorry, there is no connecting flight matching with your requirement.

USER: No problem, I with another airline.

ASSISTANT: Thank you for choosing us, have a good day.

USER: Thank you.