You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you today?

USER: Do you have any flight to AUS from DCA?

ASSISTANT: When would you like to travel?

USER: I would like to travel on 12/01 and return to Washington on 12/03. Make sure that flight must be with 1 connection.

ASSISTANT: Will you mention the name for booking the ticket?

USER: Please book a ticket with the name of Lisa Clark.

ASSISTANT: Please give me a moment.

USER: Sure.

ASSISTANT: Thank you for waiting.

USER: That's fine.

ASSISTANT: There is no flights found under your details.

USER: It's not a problem, I will try with another way to reach there. Thanks for your help and great service.

ASSISTANT: It's my pleasure, have a great day.