You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Mark Edwards here.

ASSISTANT: In which way I can aid you today?

USER: Can you please help me in booking the ticket from OAK to LAS? As I'm planning to visit Las Vegas.

ASSISTANT: Sure, I will help you with that. Can you please mention your preferable travel dates for booking flight ticket?

USER: Sure, my planned departure and return travel dates are 05/09 and 05/11.

ASSISTANT: Please hold on a moment, I will check flight availability in this route.

USER: Sure, I'll wait for your response.

ASSISTANT: Based on your information, I have found a flight with 1 connection with the fare of 200 provided by Spirit airlines. Shall I proceed with this?

USER: That's fine for me, you can proceed for booking the ticket.

ASSISTANT: Your flight ticket is booked successfully, flight number is 1013.

USER: Thank you so much for your help.

ASSISTANT: You are welcome Mark Edwards.