You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I support you?

USER: I want to book a flight ticket from HOU to LAX. Can you please help me for booking?

ASSISTANT: Sure, please provide your scheduled dates.

USER: Sure, my trip dates are on 18 and 20 on the month of Sept.

ASSISTANT: Ok, Kindly mention your airline preference.

USER: No.

ASSISTANT: Ok, please wait for a moment.

USER: Sure.

ASSISTANT: Thank you for waiting, we found a connecting flight in 1002 Delta Airlines with price 200.

USER: Ok, please proceed.

ASSISTANT: Ok, May I know your name?

USER: Sure, my name is Alexander Baker.

ASSISTANT: Ok, your ticket has been booked in economy class.

USER: Thanks for your assistance.

ASSISTANT: Thank you for choosing us.