You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello\. How may I assist you?

USER: I am Emily Edwards, want to travel from PHL to AUS. Please help me in booking my ticket.

ASSISTANT: Yes, I can help you. Can you share me your dates of travel?

USER: Thank you and my travelling dates are from 04/29 to 05/01.

ASSISTANT: Do you have any other specifications?

USER: Make sure, my arrival time should be in the morning with 1 connection.

ASSISTANT: Do you have any preferences?

USER: No.

ASSISTANT: Give me a moment.

USER: Sure.

ASSISTANT: Sorry to inform you that there are no flights found on your requested dates.

USER: It's ok, thank you for your help.

ASSISTANT: Thank you for reaching us.