You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you today at present?

USER: Can you please help me in booking my flight from CLT to visit PHX, as I have a wedding event there?

ASSISTANT: Sure, I am here to help you. May I know your planned travel dates?

USER: Thank you. My travelling dates for my journey are April 20th and April 22nd.

ASSISTANT: Do you have any other specifications?

USER: I would prefer a flight which has maximum of a single connection.

ASSISTANT: Can I have your name please?

USER: My name is Gregory Allen.

ASSISTANT: Unfortunately there is no flight found with your given information.

USER: Ok, not a problem. Anyways, thank you for the information.

ASSISTANT: Thank you for opting us.