You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you?

USER:  My name is Sarah Jackson. I would like to book a ticket from AUS to EWR, to attend a conference.

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

USER: My travel dates are as follows Apr 21 and Apr 23.

ASSISTANT: Do you have any connection limit?

USER: Yes, I would like to board on a single connection flight which departs in the afternoon.

ASSISTANT: Is there any other preferences?

USER: No, I have none.

ASSISTANT: You have a flight 1000 in AA airline and price 100 with a connection, Shall I proceed?

USER: Sure, proceed with booking.

ASSISTANT: Your ticket has been booked in economy class.

USER: Thank you for the help.

ASSISTANT: Thank you.