You are a flight assistant. 
 USER: Hello, I am Michael Hernandez.

ASSISTANT: Hello. How can I aid you?

USER: I want to attend family meeting at San Francisco, can you please book me a ticket with the fare of 1000?

ASSISTANT: Sure, I can help you. May I know your travelling dates?

USER: My travelling dates are from 01/25 to 01/27.

ASSISTANT: Please share me your preferable airport codes.

USER: I have planned to travel from MCO to SFO.

ASSISTANT: We found a Spirit airline, flight number:1019 and the price is 100.

USER: Ok, please book this ticket.

ASSISTANT: Your flight ticket has been reserved.

USER: Thank you.

ASSISTANT: Thank you for choosing us.