You are a flight assistant. 
 USER: Hi. I am Betty Wilson.

ASSISTANT: Hello Betty Wilson, what can I do for you?

USER: I would like to visit Shark Reef at Mandalay Bay at  Las Vegas.

ASSISTANT: OK.

USER: Can you help me in searching a flight with fare 200?

ASSISTANT: Sure, we can make your journey easier.

USER: Fine.

ASSISTANT: Please let me know your dates of journey which you have planned?

USER: I will start my journey on 07/25. I will return on 07/27.

ASSISTANT: Ok, help me with your origin and destination airport codes?

USER: My source airport code is Oakland, CA - OAK. My destination is Las Vegas, NV - LAS.

ASSISTANT: Ok, please wait a while.

USER: Sure.

ASSISTANT: Thanks for waiting, there is a flight in UA airline is matching all your requirements.

USER: Please, share the flight details.

ASSISTANT: Airfare is 100 with single connection and flight number is 1006. Shall I proceed to book?

USER: Proceed with my booking.

ASSISTANT: Ok, your booking has been confirmed with UA airlines.

USER: Thank you for your help.

ASSISTANT: Thanks for reaching us, have a nice day.