You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: Larry Campbell here. Do you have any flight from SFO to CLT?

ASSISTANT: Yes, please mention your travel dates so that I can help you easily.

USER: My period of journey are 12/22 and 12/24.

ASSISTANT: AA airline providing service to you with connection 1 and price 100. Are you with this airline?

USER: Yes, you can proceed.

ASSISTANT: Ok, your ticket has been done with flight-1012.

USER: Thanks for your help and information.

ASSISTANT: Welcome Larry Campbell, have a nice day.