Hello.
user
Hello.
assistant
Jason Carter here.
user
How may I help you today?
assistant
Do you have any flight from IAD to meet my friend who was staying in AUS?
user
 May I know your travelling dates for checking a flight on your desired route?
assistant
My travelling dates are 12/12 and 12/14.
user
Please wait a moment.
assistant
Sure.
user
Sorry to say this, no flights are available on your desired route.
assistant
That's fine, anyways thanks for your help and information.
user
Thank you for reaching us.
assistant