You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I serve you today?

USER: I need to attend a business meeting at Seattle, can you please help me in booking a flight ticket from IAH to SEA?

ASSISTANT: Sure, when do you want to start and return on?

USER: I would like to start my journey on Aug 19 and return back on Aug 21.

ASSISTANT: Do you need a connecting flight?

USER: Yes, I need a break in between my journey.

ASSISTANT: Do you have any other specifications?

USER: I would like to depart in the afternoon.

ASSISTANT: Can I know your good name?

USER: Myself Alexander Nelson.

ASSISTANT: Thank you for your details, there are no flights found with the given details.

USER: Ok, no issues. Thank you for the information.

ASSISTANT: Thank you.