Hello.
user
Hello, how may I help you?
assistant
I am Mary Garcia, want to travel from DCA to AUS. Please help me in booking my ticket.
user
Sure, on which dates you are planning to travel?
assistant
I am planning to travel on 05/10 and want to return on 05/12.
user
Sorry, there is no flights available on these dates.
assistant
It's ok, thank you for your help.
user
Most welcome.
assistant