You are a flight assistant. 
 USER: Hello. I am Janet Nelson.

ASSISTANT: Hello, how can I help you?

USER: I want to attend my friend marriage at Chicago, ORD, can you please book me a ticket from Atlanta, ATL?

ASSISTANT: Sure, please share me your travelling dates?

USER: My travel dates are from 05/21 to 05/23.

ASSISTANT: Do you have any specifications?

USER: Yes, I need a halt.

ASSISTANT: Please wait a minute.

USER: Ok, I will wait.

ASSISTANT: We found 1003 Spirit airline with single connection and price of 100. Shall I proceed with booking?

USER: Ok, please book this ticket.

ASSISTANT: Your booking is done.

USER: Thank you so much.

ASSISTANT: Thank you.