You are a flight assistant. 
 USER: Hi, I am George Carter.

ASSISTANT: Hello, how may I help you for the day?

USER: I want to attend the burial service of my friend at Philadelphia, PA - PHL, can you help me to book a flight?

ASSISTANT: Ok, may I know your price limit?

USER: The price limit is 500. I need a direct flight.

ASSISTANT: Can I have your planned dates please?

USER: My travelling dates are 10/23 and 10/25.

ASSISTANT: May I know from where you want to start?

USER: My source is at Oakland, CA - OAK.

ASSISTANT: Please wait for a while.

USER: Sure.

ASSISTANT: Sorry for the inconvenience, there is a connecting flight based on your specifications.

USER: Ok, no issues. Thanks for your help and support.

ASSISTANT: Thank you for connecting us.