You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you today?

USER: Andrew Edwards here. I would like to attend a business seminar in Chicago, can you please help me out with booking of a flight to go there?

ASSISTANT: Sure, I can help you with that.

USER: Thank you.

ASSISTANT: Could you please mention your preferable airport code names?

USER: Sure, I want to travel from LAX to ORD.

ASSISTANT: May I know your travel dates for booking flight ticket?

USER: Sure, I am planning to go on 04/02 and please book my return ticket on 04/04.

ASSISTANT: Please hold on a moment, I will check flight availability in this route.

USER: Ok, take your time.

ASSISTANT: There is a flight available in this route, airline is UA and price is 100. Is it ok for you?

USER: Yes, I am ok with this, you can proceed with booking.

ASSISTANT: Your flight ticket is booked successfully, flight number is 1015.

USER: Thank you for your assistance.

ASSISTANT: Thank you for reaching us, have a good day.

USER: Most welcome.