You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: I want to attend for a seminar in DEN. Can you please make a reservation from DFW?

ASSISTANT: May I know your trip dates?

USER: My trip dates are May 27 to 29.

ASSISTANT: Do you have connection limit?

USER: I prefer to travel in direct flight.

ASSISTANT: Do you have any other specifications?

USER: No.

ASSISTANT: May I know your name?

USER: Ruth Hall here.

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.