You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I help you?

USER: I am Patricia Wright. Can you help me to book a flight from PHL to AUS?

ASSISTANT: Sure, may I know your travel dates please?

USER: My trip starts from 08/22 to 08/24.

ASSISTANT: Ok, please be on hold.

USER: Ok.

ASSISTANT: There are no flights found for you on those dates, Wright.

USER: Ok, no issues.

ASSISTANT: Thank you for choosing us.

USER: Thank you for your time.