You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I support you today?

USER: Can you please help me in booking a flight tikcet to AUS from IAD?

ASSISTANT: Sure, please share me your trip dates.

USER: My travel dates are from May 03 to May 05.

ASSISTANT: For booking, we need your good name. Please mention it.

USER: I am Jeffrey Scott.

ASSISTANT: Do you need direct flight or connecting flight?

USER: I need a connecting flight.

ASSISTANT: Sorry to say that, there are no flights available on the routes of your journey.

USER: Ok, no problem.

ASSISTANT: Thank you for opting us.

USER: Thank you.