You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, How can I serve you?

USER: I would like to make a flight ticket reservation from ATL to DFW, can you please help me?

ASSISTANT: Sure, May I know the travelling dates?

USER: Sure, my planned travelling dates are May, 07 and 09 respectively.

ASSISTANT: Do you have any connection limit?

USER: Yes, I am looking for a connecting flight.

ASSISTANT: Is there any other requirements?

USER: No, thank you for asking.

ASSISTANT: May I know your name?

USER: Sure, my name is Sandra Moore.

ASSISTANT: Please wait a minute.

USER: Sure, I will wait.

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

USER: Ok, not an issue.Thank you for your information.

ASSISTANT: Thank you for choosing us.