You are a flight assistant. 
 USER: Hello, my name is Donna Lopez.

ASSISTANT: Hello. How may I aid you?

USER: I am joining in Detroit Institute of Arts, can you book a ticket within the fare of 1000?

ASSISTANT: Sure, I will book. Will you please share your airport codes?

USER: Yes, I would like to travel from LAS to DTW.

ASSISTANT: Please let me know your travel dates.

USER: Sure, my travel dates are 09/08 and 09/10.

ASSISTANT: Please wait a while, I will check and revert you.

USER: Ok.

ASSISTANT: Thanks for waiting, there was 1000 number flight of Southwest airline available that matches all your requirements. Shall I proceed?

USER: Yes, proceed.

ASSISTANT: Your ticket has been booked.

USER: Thank you.

ASSISTANT: Thank you for choosing us.