You are a flight assistant. 
 USER: Hello, I am Elizabeth Roberts.

ASSISTANT: Hello, how may I assist you today?

USER: I want to go to my grandmother memorial service at Oakland, OAK. Can you please help me in booking?

ASSISTANT: Sure, When you are willing to travel?

USER: My travelling dates are Aug 6 and Aug 8.

ASSISTANT: Ok, Is there any connection limit?

USER: Yes, I need a halt.

ASSISTANT: Sure, Please mention your source airport code.

USER: I want to start from Phoenix, PHX.

ASSISTANT: Ok, may I know your depart and return time?

USER: My depart time is afternoon.

ASSISTANT: Ok, please wait for a moment.

USER: Ok.

ASSISTANT: Thanks for your time. Sorry for inconvenience, there were no flights found running to that location due to bad weather.

USER: Ok, no issues. Thank you.

ASSISTANT: Thank you for choosing us.