You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Rachel Smith.

ASSISTANT: How may I assist you?

USER: I need to book a flight ticket from DCA to ORD to attend a seasonal festival.

ASSISTANT: Sure, I am here to help you out. May I know your travelling dates please?

USER: My planned journey dates are July 29 and July 31.

ASSISTANT: Do you have any specifications?

USER: I prefer a lay by in between my journey.

ASSISTANT: JetBlue airlines is available in your route with the ticket fare of 100, shall I proceed with the booking?

USER: Please, reserve this flight for my journey.

ASSISTANT: Your ticket is booked with the flight-1021.

USER: Thank you.

ASSISTANT: Thank you for choosing us.