Hi, I am Charles Martin.
user
Hello, how can I help you?
assistant
I need to book a ticket  for attending my business trip on 10/21 from DCA. Could you please help me in doing that?
user
Sure, can you help me with your destination airport code and return journey date?
assistant
I intent to return on 10/23 from DCA.
user
Thank you for your details. A flight with single connection having price 100 in delta airline was found. Can you please help me with it?
assistant
Ok, you can proceed with that airline.
user
Your ticket is confirmed in flight number 1014.
assistant
Thank you for your service.
user
Thank you for opting us.
assistant