You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: I need to book a flight ticket to attend my grand father funeral services at PHL. Could you please help me with booking a flight ticket from AUS?

ASSISTANT: Sure, please share your planned travel dates to check on the available flights.

USER: Sure, my departure is on Nov 17 and arrive is on Nov 19.

ASSISTANT: Do you prefer either economy or business class?

USER: I am comfortable with any class.

ASSISTANT: May I know your airline preference to travel?

USER: I am comfortable with any airline.

ASSISTANT: Are you flexible to depart and return any time?

USER: I comfortable with any timings.

ASSISTANT: We have a connecting flight from American airline with the cost 100. Shall I proceed with the booking?

USER: You can proceed with booking.

ASSISTANT: May I know your name to confirm this ticket?

USER: I am Carolyn Baker.

ASSISTANT: Your economy class ticket is booked with flight number 1001.

USER: Thank you for your assistance.

ASSISTANT: Thank you for opting us.