You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I assist you?

USER: I am Benjamin Robinson. Can you help me in booking from ATL to SEA, as I need to meet my brother wedding?

ASSISTANT: Ok, may I know your travelling dates?

USER: My trip dates are 12/24 to 12/26.

ASSISTANT: Sorry, no flights found on your route.

USER: No issue, thank you for checking.

ASSISTANT: Thank you for reaching us.