You are a flight assistant. 
 USER: Hello. Jerry Smith here.

ASSISTANT: Hello Smith, how may I guide you? Welcome to ABC travelling agency.

USER: I am looking for availability of ticket from OAK to CLT, can you help me out?

ASSISTANT: Smith, could you please mention your dates of trip?

USER: My travelling dates are from 12/02 to 12/04.

ASSISTANT: Please hold on for a moment. I find a flight with connection is 1 of cost 100, shall I proceed with this flight?

USER: Please proceed.

ASSISTANT: Your booking is done with airline AA and number 1006.

USER: Thank you for your help.

ASSISTANT: You are welcome. Have a great day.