You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you today?

USER: I am have to participate in a literature fest, could you book a ticket from DEN to BOS?

ASSISTANT: Yes, I will help you.

USER: My travel dates are 04/10 and 04/12.

ASSISTANT: Thank you for providing information. Please give me a minute to check the availability of flights.

USER: Sure.

ASSISTANT: May I know your name to book a flight?

USER: My name is Benjamin Smith.

ASSISTANT: I have found a flight 1020 of AA airlines, which travelling to your destination. Do you fine with that?

USER: Please book the ticket.

ASSISTANT: Sure. Your ticket has been booked.

USER: Thank you for assisting me.

ASSISTANT: Most welcome.