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