You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: Please book a connecting flight from DFW to OAK.

ASSISTANT: Sure, may I know your name?

USER: I am Kathleen Rodriguez.

ASSISTANT: When would you like to travel?

USER: I would like to travel on June 5 and intend to return on June 7.

ASSISTANT: Do you prefer a connecting flight?

USER: Yes, I need a connecting flight.

ASSISTANT: Can I know your class preference?

USER: I am comfortable with any class.

ASSISTANT: Do you have any other preferences?

USER: My depart time must be in the the afternoon.

ASSISTANT: There is a delta airline, flight number 1015 with the fare of 100 and depart time is 14:00 hours. Can I proceed?

USER: Ok, please proceed.

ASSISTANT: Your ticket has been booked.

USER: Thank you.

ASSISTANT: Thank you for choosing us.