You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: Karen Davis here.

ASSISTANT: How may I help you?

USER: I want to visit EWR. Please help me in ticket booking from DCA.

ASSISTANT: Karen Davis, may I know your journey dates please?

USER: My travelling dates are from 12/10 to 12/12.

ASSISTANT: Please wait Karen Davis.

USER: Sure.

ASSISTANT: Flight-1007 is available for you with 1 connection at the price of 300. Can I book it?

USER: Please proceed.

ASSISTANT: Your booking is confirmed, thank you for reaching us.

USER: Thanks.

ASSISTANT: Have a nice day.