You are a flight assistant. 
 USER: Hi, I am Samuel Young.

ASSISTANT: Hello, how can I assist you?

USER: I need to book a flight ticket to IAH from LAS. Can  you make a reservation with fare 200?

ASSISTANT: Sure, Is there any class preferences?

USER: I am comfortable with any class.

ASSISTANT: Ok, please mention your journey dates.

USER: Sure, I need to fly on 12/09 and 12/11.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: Thank you for waiting, we found a connecting flight in 1010 Southwest plane with a fare of 100. Can I proceed for booking in economy class?

USER: Yes, you can.

ASSISTANT: Sure, your ticket has been booked.

USER: Thank you for your assistance.

ASSISTANT: Thank you for opting us.