You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I assist you?

USER: I would like to return from Austin on 08/07 after completing my work at the head office. So, can you help me book a flight ticket from New York?

ASSISTANT: Sure, I will help you. To book a ticket, may I know your name please?

USER: My name is Gregory Harris.

ASSISTANT: Ok, Gregory Harris. Please help me with your other journey date to proceed further.

USER: I am planning to leave on 08/05.

ASSISTANT: From which place you want to start your journey?

USER: I would like to start from my nearest airport EWR.

ASSISTANT: Ok. Let me know your landing point.

USER: I need to reach AUS.

ASSISTANT: Please wait a while, I will let you know the flight availability.

USER: Sure.

ASSISTANT: Thanks for waiting. We found that there was no flight that matches with your requirements.

USER: Ok, thank you for your response.

ASSISTANT: Thank you for choosing us. Have a nice journey.