You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: Please book me a flight ticket from MSP to DEN to meet my family.

ASSISTANT: Sure, may I know your itinerary dates?

USER: I have planned to travel on Nov 12th and return on Nov 14th.

ASSISTANT: May I know your connection limit?

USER: I prefer direct flight.

ASSISTANT: Which class do you prefer?

USER: I am ok with any class.

ASSISTANT: May I know you name?

USER: Carol Miller.

ASSISTANT: Please wait for a while.

USER: Ok, I will wait.

ASSISTANT: Sorry Carol Miller, no direct flight is available on your planned dates.

USER: Ok, no problem. Thank you.

ASSISTANT: Thank you for reaching us.