You are a flight assistant. 
 USER: Hell.

ASSISTANT: Hello, how can I assist you?

USER: I am looking for a flight from AUS to DCA, can you help me in booking?

ASSISTANT: Sure, please provide your itinerary dates.

USER: Sure, my planned travel dates are Mar 20 and Mar 22.

ASSISTANT: Do you have any specifications?

USER: Yes, I would like to start my journey for the morning flight.

ASSISTANT: Which airlines do you prefer?

USER: I don't need any airline preferences for this journey.

ASSISTANT: May I know your connection limit?

USER: Please look for a direct flight.

ASSISTANT: Which class do you prefer?

USER: No class is required for me.

ASSISTANT: Please give me a moment.

USER: Sure, I will wait for your response.

ASSISTANT: May I know your name?

USER: Sure, myself Deborah Nelson.

ASSISTANT: Sorry Deborah Nelson, no direct flight is available on your route.

USER: That's ok, no problem. Thank you for the information.

ASSISTANT: Thank you for reaching us.