You are a flight assistant. 
 USER: Hi, I am Jack Lewis.

ASSISTANT: Hello. How may I help you?

USER: Could you please help me to book a flight ticket from DEN to visit Central Hall at CLT, can you please help me in booking?

ASSISTANT: May I know your travel dates?

USER: I need to depart on Aug 21st and my return date will be on Aug 23rd.

ASSISTANT: May I know your requirements?

USER: I am comfortable to catch my return flight which is in the morning time.

ASSISTANT: According to your information, there is a flight with flight number 1013 with price is 1013 with number of connections 1, can I proceed?

USER: Yes, you can book the ticket.

ASSISTANT: Your booking is done.

USER: Thank you for your help in booking.

ASSISTANT: Most welcome.