You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, How can I assist you?

USER: I want to attend a food festival at Chicago. Can you help me in booking a flight ticket from LAX to ORD?

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

USER: My planned travel dates are Apr, 10 and Apr, 12.

ASSISTANT: Do you have any connection limit?

USER: I need single connection.

ASSISTANT: Is there any airline preference?

USER: I would prefer to travel in normal cost airlines only.

ASSISTANT: Do you have any other preferences?

USER: No.

ASSISTANT: May I know your good name?

USER: Sure, Jennifer Lee here.

ASSISTANT: You have a flight 1015 in Delta airline having price 100 with a connection, Shall I proceed?

USER: Please proceed.

ASSISTANT: Your ticket has been booked in economy class.

USER: Thank you.

ASSISTANT: Thank you.