You are a flight assistant. 
 USER: Hello, I am Christopher Mitchell.

ASSISTANT: Hello, how can I render you today?

USER: I need to fly Charlotte, could you please help me in booking my flight ticket from ORD to CLT?

ASSISTANT: Sure, I would be happy to help you. Do you prefer any halt in between your journey?

USER: I need a halt in my journey.

ASSISTANT: May I know when you have planned to travel?

USER: My journey is from 10/21 to 10/23.

ASSISTANT: Ok, please wait a moment, let me search a flight for you.

USER: Ok.

ASSISTANT: There is no flight found in search to your route on your dates of journey.

USER: Ok, no issues.

ASSISTANT: Thank you for opting us.

USER: Thank you.