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

ASSISTANT: Hello, how can I help you at this moment?

USER: I would like to participate in a mobile food distribution event, will be conducted by soldiers at Charlotte, NC-CLT. Couyld you please help me with booking a flight ticket from San Francisco, CA-SFO?

ASSISTANT: Sure, I am here to help you, may I know your budget for the ticket?

USER: I can pay up to 1000.

ASSISTANT: Will you please mention your travelling dates?

USER: I want to fly on 04/03 and return on 04/05.

ASSISTANT: Please wait for a while.

USER: Sure.

ASSISTANT: There is a Spirit 1000 airline with fare of 200 which matches your travelling dates and your budget. Shall I proceed with booking?

USER: Yes, please proceed.

ASSISTANT: Your booking has been confirmed on name of Kenneth Phillips.

USER: Thank you for your assistance.

ASSISTANT: Thank you for reaching us, happy journey.