Hello.
user
Hello,. How can I assist you?
assistant
Could you please help me in booking my flight ticket?
user
Sure, could you let me know the airport codes?
assistant
Book my ticket from my current location to DC - DCA. My current location is MI - DTW.
user
Let me know your travel dates?
assistant
My journey starts from 10/19 and will return on 10/21.
user
Is there any additional requirements do you want to know? Can I know your name?
assistant
No,let me know if the flight is available or not. This is Melissa Nelson.
user
Sorry Nelson, there is no flight matching with your requirements. Thank you for your time.
assistant
OK. Your welcome.
user