Hello. Myself Ashley Young.
user
Hello, do you need any help from us?
assistant
Can you please help me in booking a flight ticket from IAH to OAK locations?
user
Sure, may I know  on what dates you need booking?
assistant
Sure, my travelling dates are from 08/16 and 08/18.
user
Sorry, there is no flight on your requested travelling dates.
assistant
It's ok. Thank you for the information.
user
My pleasure, have a great day.
assistant