You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I aid you today?

USER: I have a meeting to attend at Denver. Can you help me in booking a ticket from MSP to DEN?

ASSISTANT: Sure, I will help you. Can you please provide your preferable dates that you want to travel?

USER: The journey dates are 04/27 and 04/29.

ASSISTANT: On whose name I have to book this flight ticket?

USER: Please book the ticket with the name Betty Gonzalez.

ASSISTANT: Please wait a moment to check the flights.

USER: Sure.

ASSISTANT: Sorry to inform you that, there are no flights found with your planned dates of travelling.

USER: Its ok, thank you for the information.

ASSISTANT: Thank you for reaching us, have a great day.