Hello.
user
Hello. What can I do for you?
assistant
Christopher Hernandez here, please look if any tickets are available from IAD to HOU.
user
Sure, can I know your travelling dates?
assistant
I want to start on 03/31 and return on 04/02.
user
Ok, give me a minute.
assistant
Ok.
user
Sorry Hernandez, no flight's found on your request.
assistant
Ok, no issues, thank you for confirming me.
user
Thank you for  contacting  us.
assistant
You are welcome.
user