You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you out?

USER: I am Michelle Perez, want to travel from DFW to DCA. Please help me in booking my ticket.

ASSISTANT: Sure, I am perky to help you. Can you please let me know your travelling dates?

USER: Thank you and my travelling dates are from 09/30 to 10/02.

ASSISTANT: Do you prefer any lay by in between journey?

USER: I need a single layout.

ASSISTANT: Is there any other specifications?

USER: I want to return in the afternoon.

ASSISTANT: Ok, please wait for a while. Let me check a best flight for you.

USER: Sure.

ASSISTANT: Thanks for waiting, there is a flight found in JetBlue airline with a fare of 100 and the flight number is 1003. Shall I proceed?

USER: Please proceed with the booking.

ASSISTANT: Ok, your ticket has been reserved in economy class.

USER: Thank you for your help.

ASSISTANT: Thank you for choosing us.