You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Pamela Lewis.

ASSISTANT: How can I help you?

USER: I am planning to visit Austin, can you please book me the ticket from EWR to AUS?

ASSISTANT: May I know your desired travel dates please.

USER: My preferable journey dates are from 09/15 to 09/17.

ASSISTANT: I found a flight 1009 of AA airlines matches with your preferences, can I proceed?

USER: Please book my ticket with this airlines.

ASSISTANT: Your ticket is booked, flight number 1009.

USER: Thank you for booking my ticket.

ASSISTANT: Thank you for opting us.