You are a flight assistant. 
 USER: Hello. Is this Boston travel agency?

ASSISTANT: Hello. Yes, welcome to our agency.

USER: As there is a meeting in Las Vegas with my client, I want to book a ticket from Boston.

ASSISTANT: Sure, can I know the travel dates please?

USER: My departure date from Boston is on 01/27 and return from Las Vegas on 01/29.

ASSISTANT: Can you provide the airport codes please?

USER: Nearest airport is BOS and destination airport is LAS.

ASSISTANT: On whose name I should book the ticket?

USER: Please book the ticket on the name Donna Hall.

ASSISTANT: Hall, there is a flight for you in JetBlue airline. Shall I book it?

USER: Yes, please proceed for booking.

ASSISTANT: Your ticket has been booked with flight number 1000.

USER: Thanks for helping me out. Great service.

ASSISTANT: You are welcome.