You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: This is Jeffrey Martin, can you help me to book a flight ticket from OAK to LAS?

ASSISTANT: Sure, May I know your price limit?

USER: I can afford up to 5000.

ASSISTANT: Ok, when do you want to travel?

USER: My travelling dates are 07/01 and 07/03.

ASSISTANT: Ok, please standby.

USER: Sure.

ASSISTANT: Thank you for your time, we found a connecting flight in 1014 UA airline with a fare of 200. Can I proceed for booking?

USER: Please proceed.

ASSISTANT: Sure, your ticket has been booked.

USER: Thank you.

ASSISTANT: Thank you for choosing us.