You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: I am Elizabeth Walker, help me to book a ticket from CLT to Washington, DCA.

ASSISTANT: Sure, please share your trip dates?

USER: My trip dates are on 03/06 and 03/08.

ASSISTANT: There is a AA airline with flight number 1004 and fare 200 and having a flag stop. Shall I proceed?

USER: You can proceed.

ASSISTANT: Your flight ticket has been reserved.

USER: Thank you.

ASSISTANT: Thank you for reaching us.