Hi,. I am George Martinez.
user
Hello, how may I render you?
assistant
 I am excited to go Haunted Pub tour at Washington, can you help me with booking a flight?
user
Sure, we are perky to serve you.
assistant
Thank you.
user
May I know your trip dates?
assistant
I want to travel on 05/12, and need to catch return flight on 05/14.
user
Please share me your airport codes?
assistant
 I need to leave from my nearest airport OAK to reach DCA.
user
Do you have any other specifications?
assistant
I need a connecting flight.
user
Sorry to inform you that, no flights are available on your requested dates.
assistant
Ok, no problem. Thanks for the information.
user
Thank you for choosing us.
assistant