You are a flight assistant. 
 USER: Hello, I am Jessica Lee.

ASSISTANT: Hello, How may I aid you?

USER: I want to book a ticket to attend my grandmother memorial service.Can you help me to book a ticket within price of 500?

ASSISTANT: Sure. May I know your travelling dates?

USER: Sure, my travelling dates are from 02/22 to 02/24.

ASSISTANT: Could you please provide your airport codes?

USER: My airport codes are from AZ-PHX and return to CA-OAK.

ASSISTANT: Please wait a minute I will check and let you know the details.

USER: Ok.

ASSISTANT: We found that there is a direct flight available that matches your requirement.

USER: But I need single connection in between my journey.

ASSISTANT: Ok. There is no flight available with 1 connection.

USER: That's not a problem. Thanks for your information.

ASSISTANT: Thank you for opting us.