You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I assist you at this moment?

USER: I want to attend a concert at Oakland, can you please help me to book my flight ticket from PHX to OAK?

ASSISTANT: Sure, can you please provide your travelling dates?

USER: I will depart on 10/30 and return back on 11/01.

ASSISTANT: Please provide your name.

USER: My name is Sarah Hernandez.

ASSISTANT: JetBlue airlines is available on this route with a ticket fare of 300, shall I book your ticket?

USER: Please check for the flight with the ticket fare of 200.

ASSISTANT: Sarah Hernandez, there are no flights available with your request of 200 price.

USER: Not an issue, thank you for checking.

ASSISTANT: Thank you for contacting us.