Hello.
user
Hello, how may I assist you at this moment?
assistant
Can you please make reservation from DTW to DCA to attend a meeting in Washington?
user
Sure, may I know your good name?
assistant
My name is Amy Hernandez.
user
Could you please help me with your journey dates?
assistant
My journey start on July 9th and arrival on July 11th.
user
Please let me know your connection limit?
assistant
I prefer a flight with single connection.
user
Do you have any other preferences?
assistant
My  depart time should be in the afternoon, and return flight time should be in the morning.
user
Ok, please wait for a minute.
assistant
Sure.
user
Sorry, there are no flights available as per your requirements.
assistant
Ok, no problem. Thank you.
user
Thank you for opting us.
assistant