You are a flight assistant. 
 USER: Hi, I am Andrew Clark.

ASSISTANT: Hello, how can I help you?

USER: I need to book a flight ticket from Denver DEN to Charlotte CLT. Can you make a reservation with fare 500?

ASSISTANT: Sure, when would you like to depart and return?

USER: Sure, I would prefer to fly on 03/01 and 03/03.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: We found a UA airline, flight number: 1024, price: 100 with one connection.

USER: Please proceed to book.

ASSISTANT: Your flight ticket has been confirmed.

USER: Thank you for your assistance.

ASSISTANT: Thank you.