You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: I would like to travel from CLT to DFW, can you help me in doing a reservation?

ASSISTANT: Sure, we are here to help you. May I know your travelling dates?

USER: My trip dates are Dec 17 to 19.

ASSISTANT: Do you have any break in between journey?

USER: I need a connecting flight. I have changed my mind to go with a direct flight. Can you check with that?

ASSISTANT: Are there any other specifications for you?

USER: No.

ASSISTANT: Can I have your good name?

USER: I am Margaret Green.

ASSISTANT: Sorry, no flights are available on your journey dates.

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

ASSISTANT: Thank you for availing us.