You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Patricia Walker here.

ASSISTANT: How can I help you today?

USER: I need your help in booking of a flight ticket from ATL to CLT for an important business meeting, can you please help me out with booking of a flight ticket on those locations?

ASSISTANT: Sure, I will help you in booking flight ticket. Can you please mention your travel dates for booking flight ticket?

USER: Thank you. I am planning to move on 08/11 and please book my return ticket on 08/13.

ASSISTANT: Thank you for providing your travel details. I will put the conversation on hold to check the best flights available in your route.

USER: Ok, take your time.

ASSISTANT: Sorry for the inconvenience no flights available in this route as per your requested dates.

USER: Oh! So sad to hear. Anyway, thank you for the information.

ASSISTANT: You are welcome.