You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: I am planning to attend my brother marriage at CLT, can you help me with booking?

ASSISTANT: Sure, I will help you. When would you like to plan your journey?

USER: Thank you. I will fly on Oct 09 and return on Oct 11.

ASSISTANT: May I know your source airport code please?

USER: My source airport code is SFO.

ASSISTANT: May I know your good name please?

USER: I am Virginia White.

ASSISTANT: Do you have any connection preference?

USER: I need a connecting flight.

ASSISTANT: May I know your other requirements?

USER: No.

ASSISTANT: I found an economy class in United Airlines with fare 100 and it has single connection. Can I book your ticket?

USER: Please confirm it.

ASSISTANT: Ok, your booking is confirmed with flight number 1003.

USER: Thank you.

ASSISTANT: Thank you for approaching us.