You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: I planned to meet my cousin in ORD, can you please help me to book a flight ticket from DEN?

ASSISTANT: Sure, please share your trip dates.

USER: I prefer to travel on Jun 1 and Jun 3.

ASSISTANT: Do you prefer a direct or connecting flight?

USER: I prefer to travel in a connecting flight.

ASSISTANT: Do you have any other specifications?

USER: I would like to travel in an economy class.

ASSISTANT: Please wait for a while.

USER: Sure.

ASSISTANT: Delta airlines with flight 1020 is providing a connecting flight and ticket costs you 100 in economy class.

USER: Ok, please confirm my booking.

ASSISTANT: May I know your name?

USER: I am Charles Parker.

ASSISTANT: Your ticket is confirmed. Flight departs at 4:00 AM and arrives at 9:00 AM.

USER: Thank you.

ASSISTANT: Thank you for reaching us Charles Parker.