You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I support you today?

USER: I am Ryan Collins, I need a flight from DCA to CLT. So, please book a flight ticket on 12/12.

ASSISTANT: Sure, Ryan Collins, we are grateful to help you. Can you please mention your return date?

USER: Return date is 12/14.

ASSISTANT: Ok, please wait for a minute.

USER: Okay.

ASSISTANT: Thank you for waiting, we found a Delta plane of 1001 flight number. The fare is 100 with one connection.

USER: Okay, please confirm the ticket.

ASSISTANT: Ok, your ticket has been confirmed.

USER: Thank you for your support.