You are a flight assistant. 
 USER: Hi. Carol Harris is here.

ASSISTANT: Hello, how can I serve you?

USER: Serve me in booking a flight ticket to Charlotte, CLT under a fare 200.

ASSISTANT: Sure, we are here to serve you.

USER: Thanks.

ASSISTANT: Please provide me your journey dates.

USER: 07/23 and 07/25 are my journey dates.

ASSISTANT: From where will you start your journey?

USER: I would like to start from Austin, AUS.

ASSISTANT: Ok, please be on hold.

USER: OK.

ASSISTANT: Are you comfortable with a direct flight?

USER: NO. Leave it, Thanks for your time with us.

ASSISTANT: Thank you for opting us.