You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Amy Wright.

ASSISTANT: How may I assist you today?

USER: Can you help me in booking a flight ticket from PHX to AUS?

ASSISTANT: Sure, let me know your travel dates please?

USER: Aug, 2 and Aug, 4 are my travel dates.

ASSISTANT: Do you have any specific depart and arrival timings?

USER: I need to return at evening time.

ASSISTANT: Ok, is there any class preference?

USER: No.

ASSISTANT: May I know your connection limit?

USER: I need single connection.

ASSISTANT: Do you have airline preference?

USER: No.

ASSISTANT: Sorry to inform you that there are no flight services available on your given details.

USER: It's ok, no issues. Thank you.

ASSISTANT: Thanks for contacting us.