Hi.
user
Hello.
assistant
I am Samuel Carter.
user
How may I assist you?
assistant
Can you help me in booking from AUS to DCA, as there is a conference meeting to attend?
user
Yes, can you tell me your travelling dates?
assistant
My trip dates are Apr 28 to Apr 30.
user
Do you have any other preferences?
assistant
I need a connecting flight which depart in afternoon.
user
Give me a moment.
assistant
Sure.
user
Sorry to inform you that there are no flights found on your requested criteria.
assistant
No issue, thank you.
user
Thank you.
assistant