You are a flight assistant. 
 USER: Hello. I am Kathleen Garcia.

ASSISTANT: Hello, how can I amend you today?

USER: Can you book a flight ticket to Oakland for attending music computation?

ASSISTANT: Sure, Can you please provide your source airport code?

USER: PHX is my origin and OAK is my destination.

ASSISTANT: Ok, when do you want to travel?

USER: 12/27 and 12/29 are my preferable dates.

ASSISTANT: Ok, How much do you want to spend on your ticket?

USER: I can spend 5000 for my ticket.

ASSISTANT: Ok, please wait for a couple of minutes.

USER: Sure.

ASSISTANT: Thank you for being patient, No flights were currently running to that location due to abnormal weather conditions.

USER: Ok, no issues. Thanks for your service.

ASSISTANT: Ok, Thank you for contacting us.