You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you today?

USER: My name is Gregory Evans. I would like to visit Denver Museum with my friends, please help me in booking a ticket from DTW to DEN.

ASSISTANT: Sure, we are glad to help you.

USER: Thank you.

ASSISTANT: Please kindly share your travel dates.

USER: My planned travel dates are on May 08 and May 10.

ASSISTANT: Do you prefer business or economy class?

USER: Any class is comfortable for my trip.

ASSISTANT: Do you have any other specifications?

USER: I would like to depart in the morning and return in the afternoon.

ASSISTANT: Please wait a minute.

USER: I need a connecting flight.

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

USER: Ok, no issues. Thank you for your information.

ASSISTANT: Thank you for opting us.