Hello,.
user
Hello, how can I help you?
assistant
I am Nicholas Edwards. I want to book a flight ticket.
user
OK, please provide me your journey details?
assistant
 My journey codes are TX-HOU to NY-LGA.
user
OK, please also provide me your journey dates?
assistant
I need to fly on Oct 11 and return on Oct 13.
user
Please wait for a moment.
assistant
OK,.
user
Thanks for waiting, sorry to inform you there is no any flight available on this date.
assistant
OK, Thank you for the information.
user
Thank you, have a nice day.
assistant