You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I serve you?

USER: Michael Perez here.

ASSISTANT: Ok.

USER: I would like to book a ticket from DEN to EWR.

ASSISTANT: Ok, may I know your trip dates?

USER: My travel dates are as follows June 22 and June 24.

ASSISTANT: Do you have any preferences?

USER: I would like to travel by connecting flight and depart in the afternoon.

ASSISTANT: We found a flight in an airline United with 1023 number having a single connection price of 300 which departs at afternoon. Shall I proceed to book?

USER: Please proceed for booking.

ASSISTANT: Your flight ticket has been booked.

USER: Thank you.

ASSISTANT: Thank you for reaching us.