You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I guide you for today?

USER: I would like to meet my friend at Seattle. Can you help me in booking a ticket from ATL to SEA?

ASSISTANT: Can you please share on what dates you are willing to travel?

USER: My trip dates are from 11/19 to 11/21.

ASSISTANT: May I know your name?

USER: My name is Sarah Edwards.

ASSISTANT: Sorry, there is no flight available on your requested dates.

USER: Ok, no problem. Thank you for your information.

ASSISTANT: Thank you for contacting us, have a nice day.