You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I aid you for the day?

USER: I need to travel from DEN to DTW, can you help me with booking ticket?

ASSISTANT: Sure, I am mirthful to help you with that.  May I know your planned travel dates?

USER: My travel dates are 10/20 and 10/22.

ASSISTANT: Do you have any class preference?

USER: No.

ASSISTANT: Is there any other requirements regarding your journey?

USER: I need a connecting flight.

ASSISTANT: May I know your name please?

USER: I am Samuel Davis.

ASSISTANT: There is a direct flight-1013 available in Southwest Airlines with a fare of 100. Shall I proceed  with booking?

USER: Yes, proceed.

ASSISTANT: Samuel Davis, your booking is confirmed successfully in economy class.

USER: Thank you for your help.

ASSISTANT: Thank you for reaching us, have a safe journey.