You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: Here Rachel Green. I would like to travel from EWR to DCA, can you help me with that booking?

ASSISTANT: Sure, I am here to help you. Can you please share me your travelling dates?

USER: My preferable dates are 08/17 and 08/19.

ASSISTANT: Please give me a moment to check the flight availability.

USER: Sure, take your own time.

ASSISTANT: Here, I found a flight for you with single connection. Can I proceed for booking?

USER: That's perfect, proceed with that booking.

ASSISTANT: Your ticket is booked with flight number 1018 and airline is Delta.

USER: Thank you for helping me.

ASSISTANT: Welcome, have a safe flight.