Hello.
user
Hello, do you need any help from us?
assistant
I am planning to attend  my friend marriage in Dallas, can you please make a reservation from DCA?
user
Sure, could you please share your departure and arrival day?
assistant
I want to start my journey on July 6th, and arrival on July 8th.
user
Ok, could I have your name please?
assistant
My name is Justin Evans.
user
Ok, do you need direct or connecting flight?
assistant
I am comfortable with any flight.
user
Ok, do you have any other specifications?
assistant
I don't have any other specifications.
user
Sorry, there is no flight on your requested travelling dates.
assistant
Ok, no problem. Thank you for your information.
user
You are welcome, have a great day.
assistant