You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: Betty King here. Can you please help me in booking a flight ticket from IAH to DCA?

ASSISTANT: Sure, I am here to help you. Please mention your journey dates too.

USER: Sure, I would like to travel on 02/11 and return back on 02/13.

ASSISTANT: Please hold on a moment.

USER: Ok, take your time.

ASSISTANT: I found a flight-1001 on Southwest airline, would you like me to book it?

USER: Ok, please confirm that ticket.

ASSISTANT: Ok, booking is done with your name.

USER: Thank you for helping me in booking.

ASSISTANT: Thanks for reaching us, have a safe trip.