You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, How can I serve you?

USER: I would like to attend a meeting at Charlotte, please help me in booking a ticket from DFW to CLT.

ASSISTANT: Sure, May I know the journey dates?

USER: My planned journey dates are on Sept 24 and Sept 26.

ASSISTANT: Do you have any connection limit?

USER: I need a flight with single connection.

ASSISTANT: Do you have any airline preference?

USER: I prefer normal-cost airline.

ASSISTANT: Is there any other requirements?

USER: I would like to depart in the afternoon.

ASSISTANT: May I know your name?

USER: My name is Ronald Hernandez.

ASSISTANT: Please wait a moment.

USER: Sure, take your time.

ASSISTANT: Sorry, No flights found with your chosen dates.

USER: Ok, no issues. Thank you for your information.

ASSISTANT: Thank you for opting us.