You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: I am Jennifer Allen, I want to book a flight from Houston to attend a family meeting at my uncle house at Charlotte.

ASSISTANT: Sure, when are you willing to travel?

USER: I will fly on 09/21 and return on 09/23.

ASSISTANT: Ok, let me know your airport codes?

USER: My source point is TX-IAH and destination is NC-CLT.

ASSISTANT: Ok, any other requirements?

USER: I need a connecting flight.

ASSISTANT: Ok, please hold on a moment.

USER: Sure.

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

USER: Ok, thank you for the information.

ASSISTANT: Thank you for opting us.