Hello.
user
Hello, how can I assist you?
assistant
Myself Sandra Parker. As there an emergency, I need to travel from DFW to DCA. Can you help me in booking a  flight?
user
Sure, please share me your journey dates?
assistant
I will fly on 10/10 and reaching date is 10/12.
user
OK, please wait for few minutes, let me check and revert you.
assistant
Sure.
user
Sorry to inform you that there is no flight with your requirement.
assistant
No issue, I will try with other alternative. Thank you for your time.
user
Thank you, for reaching us.
assistant