Hello. My name is Donna Martin.
user
Hello, How can I serve you?
assistant
Due to having an appointment with my family doctor at Hou, I want to book a ticket from DCA on 02/04.
user
Ok, May I know your travelling arrival date?
assistant
Yes, my departure date is on 01/02.
user
May I know your destination code? We found that there are no flights available with your requirements.
assistant
Ok. Thank you for your information and service you made.
user
Thank you for reaching us.
assistant