You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: Please help me to book a flight ticket from LAS to OAK.

ASSISTANT: Sure, may I know your travelling dates?

USER: My travelling dates are from Aug, 07 to Aug, 09.

ASSISTANT: Do you need a connecting flight?

USER: I need a single connecting flight.

ASSISTANT: May I know your name?

USER: Catherine Campbell.

ASSISTANT: Can I know your other preferences?

USER: No.

ASSISTANT: We found a flight of Jetblue airline, flight number 1000 with the fare of 100.

USER: Please proceed for booking.

ASSISTANT: Your ticket has been reserved.

USER: Thank you.

ASSISTANT: Thank you for reaching us.