You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, how may I assist you?

USER: I am Dorothy Wright, I want to take my children's to Lakefront in Chicago, will you help me in flight booking?

ASSISTANT: Ok, can I have your travel dates?

USER: My travelling dates from 07/13 to 07/15.

ASSISTANT: May I know your journey codes?

USER: Sure, my source from CA - LAX, and my destination is IL - ORD.

ASSISTANT: Thanks for providing your details.

USER: I want a single connection and my price limit is 200.

ASSISTANT: Sure, please wait for a while. I will check and get back to you.

USER: Ok.

ASSISTANT: Thanks for being patience. We found a flight with price of 200 matching your preferences.

USER: Ok, may I know airline and flight number?

ASSISTANT: Sure, flight number is 1011 of Frontier airline.

USER: Ok, confirm my booking.

ASSISTANT: Ok. Your flight has been booked successfully with single connection.

USER: Thank you, for your service.

ASSISTANT: Thanks for choosing us.