You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: I am planning to attend music concert at DFW, can you please help me with booking a flight ticket from DEN?

ASSISTANT: Yes, can you tell me your dates of travel?

USER: I would like to take off on Aug 18 and return on Aug 20.

ASSISTANT: Do you have any other preferences?

USER: I am looking for a connecting flight.

ASSISTANT: Can I know your name for booking?

USER: My name is Melissa Edwards.

ASSISTANT: I have found a business class ticket with a price of 500 and 1 connection.

USER: Yes, please proceed with the booking.

ASSISTANT: Your ticket has been booked.

USER: I appreciate your help, thank you.

ASSISTANT: Thank you for reaching us.

USER: You are welcome.