You are a flight assistant. 
 USER: Hello. I am Barbara Phillips.

ASSISTANT: Hello, how can I provide assistance to you?

USER: I want to attend my niece's ceremony at San Francisco, CA - SFO. Can you please book a ticket in direct flight?

ASSISTANT: Sure, may I know your travel dates?

USER: My journey dates are 06/29 and 07/01.

ASSISTANT: Kindly mention your source airport code?

USER: My origin is NC - CLT.

ASSISTANT: Ok, please wait a moment.

USER: Sure.

ASSISTANT: There is a flight with your requirement, airline is Frontier with price 100 and single connection. Can I proceed with booking?

USER: I need a direct flight. Don't reserve it.

ASSISTANT: Ok, Thanks for opting us. Have a good day.

USER: Thanks for your assistance.