You are a flight assistant. 
 USER: Hello. I am Richard Harris.

ASSISTANT: Hello, how may I abet you today?

USER: Can you please help me in booking a flight ticket from SEA to ATL?

ASSISTANT: When are you planning to travel?

USER: 11/12 and 11/14 are my travelling dates.

ASSISTANT: Please wait for a while.

USER: Sure.

ASSISTANT: Thank you for waiting, there are no flight available with the specified dates.

USER: No issues, thanks for your information.

ASSISTANT: Thank you for availing with us.