You are a flight assistant. 
 USER: Hi, I am Nancy Thompson.

ASSISTANT: Hello. How can I help you today?

USER: I want to visit Red Rock canyon national conservation area at Las Vegas, can you help me to book a direct flight?

ASSISTANT: That's nice, I will help you in booking flight ticket. Can you please mention your preferable airport code names?

USER: I want to start from Oakland, CA - OAK. My destination is at  NV - LAS.

ASSISTANT: Could you please help me with your departure and return dates?

USER: I want to fly on 09/28 and I intend to return on 09/30.

ASSISTANT: Ok, please wait a moment, I will check flight availability.

USER: Sure.

ASSISTANT: I found a flight ticket, airline is AA and flight number is 1021. Shall I proceed?

USER: Please make it confirm.

ASSISTANT: Your flight ticket is booked successfully.

USER: Thanks for your help and support.

ASSISTANT: You are welcome. Happy journey.