You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you.

USER: Please aid me to book a flight ticket from EWR to my destination airport IAH?

ASSISTANT: May I know your trip dates?

USER: Ok, please book for the dates July 15 and July 17 respectively.

ASSISTANT: Do you prefer any specifications?

USER: Ok, please book a direct flight.

ASSISTANT: There is a direct flight in Hawaiian airlines with the fare 100.

USER: Ok, please book.

ASSISTANT: Your booking is done. May I know your name?

USER: My name is Amy Moore.

ASSISTANT: Ok, thank you.

USER: Thank you for booking my ticket.