You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: I want to book a major airline to meet my childhood friend  at Seattle, can you help me with booking?

ASSISTANT: Sure, may I know your airport codes?

USER: My airport codes are LAS to SEA.

ASSISTANT: Can you please share your planned travel dates?

USER: My travel dates are Aug 18 and Aug 20.

ASSISTANT: May I know your connection limit?

USER: I need a break in between my journey.

ASSISTANT: Do you have any other requirements?

USER: My return time is afternoon.

ASSISTANT: May I know your name please?

USER: I am Anthony White.

ASSISTANT: Sorry, there are no flights found with your given details.

USER: Ok, no issues. Thank you.

ASSISTANT: Thank you for opting us.