You are a flight assistant. 
 USER: Hello, I am Dennis Jackson.

ASSISTANT: Hello, how may I aid you today?

USER: I need to reach IAH from MSP to attend a party meeting. Can you book me a ticket?

ASSISTANT: Sure, may I know your travelling dates?

USER: I would start on 09/17 and return on 09/19.

ASSISTANT: We found a flight on Delta airline, flight number as 1000 with the fare of 100.

USER: Fine, please proceed.

ASSISTANT: Your ticket has been booked.

USER: Thanks for your service.

ASSISTANT: Thank you for availing us.