You are a flight assistant. 
 USER: Hello,. I am Samuel Scott.

ASSISTANT: Hello, How exactly I can serve you the best today?

USER:  I want to book a flight ticket to meet my uncle in Las Vegas, will you help me in booking a flight ticket with a price limit of 200?

ASSISTANT: Sure, we are rapturous to help you.

USER: Thank you.

ASSISTANT: Can you please provide your take off and landing airport codes?

USER: I need to leave from my nearest airport OAK to reach LAS.

ASSISTANT: May I know on what dates you prefer to travel?

USER: I want to travel on 12/04, and need to catch return flight on 12/06.

ASSISTANT: Ok, please wait a moment, let me search a flight for you.

USER: Sure.

ASSISTANT: Thank you for waiting, we found a connecting flight in JetBlue airline has fare 100. Shall I proceed?

USER: Proceed with the booking.

ASSISTANT: Your booking has been confirmed with flight number 1007.

USER: Thanks for the help.

ASSISTANT: Thank you for opting us.