You are a flight assistant. 
 USER: Hi. I am James Collins.

ASSISTANT: Hello, how can I help you?

USER: I want to fly from Charlotte to meet my brother, please book a flight ticket.

ASSISTANT: Sure, we are here to help you. Let me know when you are willing to travel?

USER: My travelling dates are from 04/05 to 04/07.

ASSISTANT: Can you share me your source point and landing point?

USER: My source code is CLT and destination code is IAH.

ASSISTANT: Do you need any connection in between your journey?

USER: I need a connecting flight ticket.

ASSISTANT: Ok, wait for some I will check the availability of flights on your details and get back to you.

USER: Ok.

ASSISTANT: Thanks for waiting there are no flights found on your details.

USER: No issues, thanks for the response.

ASSISTANT: Thanks for contacting us.