You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I help you?

USER: I want to book a ticket from CLT to SEA. Could you book a ticket?

ASSISTANT: Sure, please share your journey dates?

USER: Departure is by Aug, 30 and return date is Sept, 1.

ASSISTANT: Do you have any specifications?

USER: I prefer to depart in the afternoon.

ASSISTANT: May I know your good name?

USER: I am Jessica Lewis.

ASSISTANT: Sorry, no flights found on your given details.

USER: Thank you.

ASSISTANT: Thank you for choosing us.