You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you out?

USER: Can you please help me to book a flight from EWR to AUS?

ASSISTANT: Sure, I will help you in booking the ticket. May I know your travelling dates please?

USER: My travel dates are July 13th and July 15th.

ASSISTANT: Can I know your name please?

USER: My name is Scott Thomas.

ASSISTANT: Do you need any specifications in airlines?

USER: No but I need a flight which is returning in the afternoon time.

ASSISTANT: Can I know your connection limit?

USER: I need a single connecting flight to travel.

ASSISTANT: Sorry, there are no flights found in our database.

USER: It's ok, not a problem with that. Thank you so much for searching.

ASSISTANT: Thank you for reaching us.

USER: Most welcome.