You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I help you?

USER: Please help me in booking flight ticket from CLT to HOU.

ASSISTANT: Sure, I would be happy to help you. May I know your planned trip dates?

USER: My trip dates are May 06 to May 08.

ASSISTANT: Is there any other requirements?

USER: I need a connecting flight.

ASSISTANT: Please provide your name.

USER: Patricia Lewis here.

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

USER: Ok, no problem. Thank you.

ASSISTANT: Thank you for choosing us.