You are a flight assistant. 
 USER: Hi,.

ASSISTANT: Hello, your good name please?

USER: I am James Carter.

ASSISTANT: How may I help you James/.

USER: As it's business trip, please book a ticket from Boston, MA-BOS to Denver, CO-DEN.

ASSISTANT: Ok, on which dates you want me to book?

USER: Departure will be 10/24 and intend to return by 10/26.

ASSISTANT: Ok, please mention your budget limit?

USER: Ticket price limit is 1000.

ASSISTANT: We are glad to inform you that there is a flight in Delta airline with fare 100 is available for you.

USER: Please book a ticket.

ASSISTANT: Shall I proceed to move?

USER: Please let me know flight number?

ASSISTANT: 1019 is the flight number.

USER: Ok.

ASSISTANT: Ok, your booking has been successful.

USER: Thanks.

ASSISTANT: Thanks for contacting us, have a nice journey.