You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Sarah Scott here.

ASSISTANT: How may I assist you at this moment?

USER: I want to meet my cousin to discuss about his marriage, so please book my ticket from SEA to ATL.

ASSISTANT: Sure, I am glad to help you with that. Can you please provide your planned dates of travelling?

USER: My trip dates are 11/30 and 12/02.

ASSISTANT: Please wait a moment to check the flights availability in your route.

USER: Sure.

ASSISTANT: We regret to inform you that there are no flights moving to your planned region with your planned dates of travelling.

USER: No problem, I will find an alternative way to travel.

ASSISTANT: Thank you for reaching to our services, have a great day.

USER: Thank you for the help.