You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you?

USER: I want to book a ticket on 02/15 to Las Veges, LAS. Can you reserve a ticket to me?

ASSISTANT: Ok, provide me your return journey date?

USER: I want to return on 02/17.

ASSISTANT:  May I know your source point?

USER: Source point is Chicago, IL - ORD.

ASSISTANT: May I know your name?

USER: I am Dorothy Young.

ASSISTANT: Ok, please wait.

USER: Sure.

ASSISTANT:  We found JetBlue airline with a halt with price 100 and flight number is 1015.

USER: You can reserve it.

ASSISTANT: Your booking is done.

USER: Thank you for your positive response.

ASSISTANT:  Thank you for consulting us.