You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you for today?

USER: Ashley Taylor here. Actually, I tried to book the flight ticket but at the payment stage I am getting a problem. Can you please help me to book a flight ticket to my preferred locations from DEN to MSP.

ASSISTANT: Yes, I can help you. Can you tell me your travelling dates?

USER: I have planned my journey to travel will be 07/01 and 07/03.

ASSISTANT: Give me a moment.

USER: Sure.

ASSISTANT: Sorry to inform you that there are no flights found on your requested dates.

USER: Its ok, no problem.

ASSISTANT: Thank you for consulting us.

USER: Thank you for your information.