You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: Can you please book me a flight ticket from DEN to OAK to meet my family?

ASSISTANT: Sure, may I know your trip dates?

USER: I have planned to travel on Sept 11th and return on Sept 13th.

ASSISTANT: Do you need a single connecting flight?

USER: I prefer connecting flight.

ASSISTANT: Can I know your other preferences?

USER: I want to depart at evening time.

ASSISTANT: May I know your name?

USER: Virginia Anderson.

ASSISTANT: There is a flight of Jetblue airline, flight number 1009 with the fare of 200. Can I proceed?

USER: Ok, please book it.

ASSISTANT: Your ticket has been booked.

USER: Thank you.

ASSISTANT: Thank you for choosing us.