You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I guide you?

USER: I would like to fool my friend who is living in Oakland on April fool's day. Can you help me in booking a ticket from DFW to OAK?

ASSISTANT: Sound's crazy, may I know your planned journey dates please?

USER: I would like to travel on 04/01 and return on 04/03.

ASSISTANT: Please hold on a moment.

USER: Sure, take your time.

ASSISTANT: I found a flight for you in UA airlines with fare 100, can I book your ticket?

USER: Please book the ticket with the name Elizabeth Davis.

ASSISTANT: Ok, your booking is confirmed with flight number 1013.

USER: Thank you for your service.

ASSISTANT: Thank you for choosing us.