Hi,.
user
Hello.
assistant
I am Mary Allen.
user
How can I amend you today?
assistant
I need to visit Washington, IAD for attending film auditions.
user
Ok.
assistant
Can you please reserve me a seat with the fare of 200?
user
Sure, may I know when you are willing to travel?
assistant
06/22 -  06/24 are my wiling dates to travel.
user
Could you please help me with your source  code?
assistant
My source code is Oakland, OAK.
user
There is a Spirit 1003 airline with fare of 200 which matches your travelling dates. Shall I proceed with booking?
assistant
Proceed with my booking.
user
Your booking  has been confirmed on name of Mary Allen.
assistant
Thank you.
user
Thank you for approaching us.
assistant