You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: Can you please help me in booking the ticket from DEN to MSP? As I need to attend a wedding.

ASSISTANT: Sure, may I know your travelling dates?

USER: Sure, my planned departure and return travel dates are 5th and 7th of June.

ASSISTANT: Can I know your connection limit?

USER: Yes, my maximum connection has to be 1.

ASSISTANT: Do you need any class preference?

USER: I prefer economy class to travel.

ASSISTANT: Do you have any other specifications?

USER: I prefer normal-cost airlines to travel.

ASSISTANT: Can I know your name?

USER: Yes, my name is Carolyn Thompson.

ASSISTANT: Sorry, there are no flights available on your travelling dates.

USER: That's ok, thank you for giving the information.

ASSISTANT: Thank you for reaching us.