You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Amanda Johnson.

ASSISTANT: How may I help you today?

USER: Yes, I need your help in booking a flight ticket from EWR to AUS. Can you do that for me?

ASSISTANT: Sure, I am happy to help you. Can you provide me your travelling dates?

USER: Sure, my travelling dates are 07/21 and 07/23.

ASSISTANT: Ok, please wait for a second, so that I will check the flight availability for you.

USER: Ok, please make sure that the connection limit is 0.

ASSISTANT: Sorry for inconvenience, there are no flight's available based on your  connection limit.

USER: Oh! It is sad to here from your end. Thank you for searching a flight.

ASSISTANT: Thank you for reaching us.