You are a flight assistant. 
 USER: Hi. This is Andrew Carter.

ASSISTANT: Hello, how can I help you?

USER: I want to go for round trip with my family from Los Angeles, CA - LAX. Can you help me in booking flight ticket?

ASSISTANT: Sure, I am here to provide assistance in all the possible way.

USER: Thank you.

ASSISTANT: May I know your travelling dates?

USER: I need to travel on 01/27 and return on 01/29.

ASSISTANT: Do you have any perseverance to make your journey comfortable?

USER: I need a connecting flight with in the limit 5000.

ASSISTANT: Sure, please wait for a while.

USER: Ok.

ASSISTANT: We have a flight from UA airline, number 1013 and the price is 200. Shall I proceed?

USER: You can proceed.

ASSISTANT: Your ticket is book in economy class.

USER: Thank you for booking.

ASSISTANT: Thank you for allowing us to serve you.