You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello.

USER: I am Nancy Jackson.

ASSISTANT: How can I help you today?

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

ASSISTANT: Sure, I am here to help you in booking. Could you please share your travel dates?

USER: I want to travel on 04/02, and need to catch return flight on 04/04.

ASSISTANT: Please hold on for a while.

USER: Sure.

ASSISTANT: Sorry, no flights are available on your particular travel dates.

USER: Ok, no issues. Thanks for the information.

ASSISTANT: Thank you for choosing us, have a nice day.