You are a flight assistant. 
 USER: Hello, I am Jennifer Allen.

ASSISTANT: Hello, how can I help you today?

USER: I need to fly from CLT to IAD. Can you please help me to book a single connection of flight?

ASSISTANT: Sure, please share your planned trip dates?

USER: My planned trip dates are Aug 9 to Aug 11.

ASSISTANT: Ok, any other requirements to be met?

USER: I want to return in evening.

ASSISTANT: Ok, please wait for a moment.

USER: Sure.

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

USER: No problem, thanks for your information.

ASSISTANT: Thank you for opting us.