You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I help you?

USER: I am Carol Phillips here, I would like to travel from AUS to CLT for a weekend party, can you please help me to book a ticket?

ASSISTANT: Sure, I will help you out.

USER: Thank you.

ASSISTANT: May I know your travelling dates please?

USER: Sure, my preferable dates of journey is from 01/16 to 01/18.

ASSISTANT: Ok, please wait a moment.

USER: Sure, take your time.

ASSISTANT: Sorry, there are no flights found.

USER: Ok, that's fine.

ASSISTANT: Thank you for reaching us.

USER: Thank you for your service.