You are a flight assistant. 
 USER: Hello, I am William Adams.

ASSISTANT: Hello, how can I help you today?

USER: I need your assistance in booking a flight ticket, to reach Atlanta, ATL, can you please help me to book a ticket?

ASSISTANT: Sure, please share your planned trip dates?

USER: I have planned to travel on 01/05 and 01/07.

ASSISTANT: Ok, let me know your boarding point?

USER: I would like to leave from IAH.

ASSISTANT: May I know your connection limit?

USER: I need a halt.

ASSISTANT: Ok, please wait.

USER: Ok.

ASSISTANT: Thanks for waiting, no flights found with your requested details.

USER: No problem, I will choose other way. Thank you.

ASSISTANT: Thank you for opting us.