You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, How can I help you?

USER: Can you help me in booking a flight ticket from CLT to HOU?

ASSISTANT: Sure, May I know your travelling dates?

USER: I want to travel on 05/14, and return on 05/16.

ASSISTANT: Do you have any connection limit?

USER: I need a break in my journey.

ASSISTANT: Any other preferences?

USER: I want to depart in the afternoon time, and I prefer for business class.

ASSISTANT: May I know your name?

USER: I am Michelle Green.

ASSISTANT: Sorry, there are no flights found with your data.

USER: Ok, no issues. Thanks for the information.

ASSISTANT: Thank you.