You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello,.

USER: I am Timothy Baker.

ASSISTANT: How may I serve you?

USER: Please book me flight ticket from JFK to AUS, can you help me?

ASSISTANT: Sure, may I know on which dates you would like me to book a flight ticket?

USER: My trip dates are 09/20 and 09/22.

ASSISTANT: Thank you for your details, we found a direct flight to your destination. Shall I reserve?

USER: No, do not proceed.

ASSISTANT: Ok.

USER: Thank you for your help.

ASSISTANT: Thank you for opting us.