Hello.
user
Hello. How can I help you?
assistant
 Could you help me in booking a ticket from Charlotte? My name is Paul williams.
user
Yes, can I know your travelling dates?
assistant
My dates of travelling are 01/30 and 02/01.
user
Ok. Can you tell me your travelling airport codes?
assistant
Airport codes from CLT to DFW.
user
Ok. Sorry to inform you that there is no flight found matching your requirement.
assistant
It's ok.
user
Thank you for reaching us.
assistant
Thank you for your service.
user
You are welcome.
assistant