You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you for the day?

USER: Can you help me in doing a reservation from DEN to DFW?

ASSISTANT: When you are willing to travel?

USER: My trip dates are Sep 02 to 04.

ASSISTANT: Do you have any connection limit?

USER: I need a connecting flight.

ASSISTANT: May, I know your good name?

USER: I am Elizabeth Taylor.

ASSISTANT: Do you have any requirements?

USER: No.

ASSISTANT: Please wait for a moment.

USER: Sure, take your time.

ASSISTANT: Sorry, we found no flights on your given dates.

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

ASSISTANT: Thank you for reaching us.