Hello, I am Sharon Jones.
user
Hello. How can I help you?
assistant
I want to book a ticket from IAH to BOS to attend a conference. Can you please help me with booking?
user
Sure, please provide me your travelling dates?
assistant
I would like to depart on 12/26 and return on 12/28.
user
OK, please wait I will  revert you.
assistant
Sure.
user
Sorry, no reservation found on your requested dates.
assistant
Ok, no issue. Thanks for your kind information.
user
Thank you for availing us.
assistant