Hello,.
user
Hello, how can I assist you?
assistant
 I am Andrew Lewis,could you please help me in booking my flight ticket?
user
Sure, We are here to help you. Can you please provide me your journey details?
assistant
I want to departure from TX-IAX  to  AZ-PHX.
user
Let me know your travelling dates?
assistant
My origin date is Aug 19 and arrival date is 21.
user
We are here to inform that there is no flight found on your details. Thank you for choosing us.
assistant