You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Shirley Hill here.

ASSISTANT: How may I help you?

USER: I'm planning to visit Philadelphia, can you please book a ticket from AUS to PHL?

ASSISTANT: Shirley Hill, I am here to help you for this. Could you please share me your travel dates?

USER: Sure, my planned departure and return travel dates are 6th and 8th of October.

ASSISTANT: Do you have any airline reference?

USER: I don't have any airline preference.

ASSISTANT: Do you have any other specifications?

USER: Yes, my return time must be morning.

ASSISTANT: As per your data, there is a flight with American Airlines and the ticket fare is 200. Shall I proceed for this?

USER: May I know at what time it will depart from my location?

ASSISTANT: At evening, shall I proceed for this?

USER: May I know at what time it will return from my destination?

ASSISTANT: As per your journey dates, it will return evening.

USER: Please do not proceed for booking because I want to return on the morning time only, thank you for your time.

ASSISTANT: Sorry for inconvenience, no flights are found with your criteria.

USER: Fine, thank you.

ASSISTANT: Thank you very much for reaching us.