Hello, I am Michael Edwards.
Hello, How can I help you today?
 I am excited to go Haunted Pub tour at Washington, can you help me with booking a flight?
Sure, Do you need any halt?
Yes, I need one.
Help me with your travelling dates?
I want to travel on 02/18, and need to catch return flight on 02/20.
Please mention your takeoff and landing airport codes?
Source is from OAK and destination is to IAD.
Ok, wait for a while.
Sure.
We found a UA airline, with fare of 200, matching your needs.
Please proceed with this airline.
Your booking is done with this connecting flight.
Thanks for your effort and service.
Thanks for your presence.