You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you today?

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

ASSISTANT: Sure, I will aid you with that. Can you please mention your preferable travel dates?

USER: My travelling dates are Dec 19 and Dec 21.

ASSISTANT: Do you have any preferences regarding timings of your journey?

USER: I want to depart in morning.

ASSISTANT: May I know your connection limit for this trip?

USER: My connection limit is 1.

ASSISTANT: Do you have any another specifications?

USER: I prefer normal cost airline.

ASSISTANT: Ok, please wait a moment.

USER: Sure.

ASSISTANT: Sorry, no flights are available in this route as per your requested dates.

USER: That's ok, thank you for checking.

ASSISTANT: May I know your name for documentation purpose?

USER: Sure, my name is Anna Martin.

ASSISTANT: Thank you for reaching us.