You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: I want to book a ticket from SFO to AUS to attend seminar, can you help me in booking?

ASSISTANT: Yes, I will definitely try my best to help you in booking your flight ticket. Could you please provide your planned dates of journey?

USER: I am departing on Aug 05 and return on Aug 07.

ASSISTANT: Would you like to travel in a connecting flight or a direct flight?

USER: I prefer a direct flight.

ASSISTANT: Is there any other preferences that you would like to add before booking?

USER: I do not have any other specifications.

ASSISTANT: May I know your name please?

USER: My name is Elizabeth Scott.

ASSISTANT: Ok, please wait.

USER: Sure.

ASSISTANT: Thank you for your time, sorry no flights found with your details.

USER: That's ok, thank you for your information.

ASSISTANT: Thank you for reaching us, have a nice day.