You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Michelle Martin.

ASSISTANT: How can I help you at this moment?

USER: I need to book a flight ticket from LAS to OAK, Can you please help me for booking?

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

USER: I would like to travel on 03/23 and return on 03/25.

ASSISTANT: Do you have any another specifications?

USER: I need a connecting flight with fare of 5000.

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

USER: Sure.

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

USER: Ok, proceed for booking.

ASSISTANT: Your flight ticket is booked successfully, flight number is 1018.

USER: Thanks for your information.

ASSISTANT: You are welcome Michelle Martin.