You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Emily Miller.

ASSISTANT: Emily, how can I assist you?

USER: Can you help me in booking from CLT to SEA, as there is a convocation day?

ASSISTANT: May I know your travel dates?

USER: My trip dates are 10/14 to 10/16.

ASSISTANT: Please hold on for a moment.

USER: Ok.

ASSISTANT: Sorry Miller, no flight is available.

USER: No issue, thank you.

ASSISTANT: Thank you for choosing us.