Hello.
user
Hello, how can I help you?
assistant
Due to sudden change of my business meeting because of some technical problem, I need to change my reservation so can you help me with that?
user
Sure, I can help you with that. May I know your good name please?
assistant
I am Virginia Thomas.
user
Ok, please wait for a while.
assistant
Sure.
user
I found your reservation, may I know your source and destination airport codes please?
assistant
 I need to leave from my nearest airport DCA to reach ORD.
user
Can you please provide your planned travel dates?
assistant
I want to travel on 12/18, and return on 12/20.
user
Do you prefer direct or single connected flight?
assistant
I need a connecting flight.
user
Please let me know if you have any other specifications.
assistant
No, I am comfortable with above requirements.
user
Can I have your good name please?
assistant
I am Virginia Thomas.
user
Sorry, there are no flights available for you on those dates.
assistant
Ok, no issues. Thanks for the information.
user
Thank you for choosing us.
assistant