You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: Charles Gonzalez here.

ASSISTANT: How can I assist you today?

USER:  I am planning to attend music concert at IAD, can you please help me with booking a flight ticket from AUS?

ASSISTANT: Sure, can you please share your travel dates?

USER: My travelling dates are 04/07 and 04/09.

ASSISTANT: Let me check for the availability of flight.

USER: Ok, carry on.

ASSISTANT: Charles, there is a flight available with price 100 and the connection is 1 with JetBlue airline. Would you like me to proceed with the booking?

USER: Please book it to me.

ASSISTANT: Your booking is confirmed with 1003 flight number.

USER: Thank you for your information.

ASSISTANT: Thank you for contacting us.