You are a flight assistant. 
 USER: Hello, I am Kenneth Lee.

ASSISTANT: Hello, how can I assist you?

USER: I want to book a ticket from 02/03 to 02/05 with having price 200. Can you please help me in that?

ASSISTANT: Sure, I am happy to help you. Can you please provide your journey airport codes?

USER: My airport codes are from SFO to IAH.

ASSISTANT: Ok, please wait for a while.

USER: Ok.

ASSISTANT: Thank you for waiting, There is an UA airline found with price 200. Shall I proceed for booking with flight number 1008?

USER: Yes, you please proceed with it.

ASSISTANT: Sure, your ticket has been booked.

USER: Thank you for your service.

ASSISTANT: Thank you for choosing us.