You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: My name is Carolyn King.

ASSISTANT: How can I be your helping hand today?

USER: Can you please help me with booking a flight ticket within price 200?

ASSISTANT: Sure, Can I know your airport codes of your journey?

USER: I want to fly from ATL to CLT to attend my colleague's ring ceremony.

ASSISTANT: Ok, Please provide me your travelling dates?

USER: I have to go on 12/26 and intend to come back on 12/28.

ASSISTANT: Sorry, there are no flights for your journey, on your travelling dates.

USER: Not an issue, thank you for your valuable time.

ASSISTANT: Thanks for choosing us.