You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: I have to attend a Music Concert at Charlotte, could you please help me with booking a flight ticket from DEN to CLT?

ASSISTANT: Can you share your trip dates?

USER: I would like to depart on May 20th and return on May 22nd.

ASSISTANT: Do you need any connections?

USER: I am looking for a connecting flight.

ASSISTANT: Are there any other preferences?

USER: I have no other preferences.

ASSISTANT: May I know your name?

USER: I am Dennis Adams.

ASSISTANT: Connecting flight number 1029 with price 900 in business class is available. Is it ok?

USER: Please confirm the booking.

ASSISTANT: Your ticket is booked.

USER: I really appreciate your help, thank you for your service.

ASSISTANT: Thank you for reaching us.