You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I render you at this moment?

USER: I have an appointment with a doctor. I would like to book a flight from PHL to AUS.

ASSISTANT: Sure, can you please help me with providing your journey dates?

USER: My travel dates are Jan 13 and Jan 15.

ASSISTANT: May I know your name please?

USER: Samantha Martinez.

ASSISTANT: Do you need any more specifications?

USER: I have no preferences.

ASSISTANT: Ok, please be on hold.

USER: Sure.

ASSISTANT: We found a American airlines, flight number 1005, price is 100 in economy class with direct flight. Shall I proceed?

USER: Please proceed.

ASSISTANT: Your ticket has been reserved.

USER: Thank you for the help.

ASSISTANT: Thank you for choosing us.