Hello.
user
Hello, how may I assist you today?
assistant
I need you to book a flight ticket from AUS and IAH, please help me.
user
Sure, may I know your planned travel dates?
assistant
April 30 and May 02, are my planned travelling dates.
user
Do you have any limits on number of connections?
assistant
I need a direct flight.
user
Do you  have any another specifications on your journey?
assistant
Nothing much to state.
user
May I know your name for the booking?
assistant
Amanda Phillips here.
user
Sorry, no flights are available on your required dates. Welcome, thank you for reaching us.
assistant
That's ok, thank you.
user