You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I help you?

USER: I need to attend a seminar in my college at Chicago, so can you book a ticket from Los Angeles?

ASSISTANT: Sure, I am ready to help you. Could you please share your travel dates?

USER: I wan to travel on July 14 and return on July 16.

ASSISTANT: Can you please share your airport codes?

USER: LAX and ORD are my airport codes.

ASSISTANT: Is there any class preference?

USER: No.

ASSISTANT: May I know your connection limit?

USER: I need a single connecting flight.

ASSISTANT: Can you please share your airline preferences?

USER: I would prefer a normal cost airline.

ASSISTANT: Do you have any specifications?

USER: I don't have any specifications.

ASSISTANT: May I know your name?

USER: My name is Anna Robinson.

ASSISTANT: Please wait for a while.

USER: Sure.

ASSISTANT: Here, there is a flight with 1 connection in Delta airlines and price is 200. Shall I book?

USER: Yes, please proceed.

ASSISTANT: Ok, your ticket has been booked with the flight 1007.

USER: Thank you for your help.

ASSISTANT: Thank you for choosing us.