You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: I would like to travel from PHX to SFO as a business trip, can you do the reservation?

ASSISTANT: Can I know your travelling dates?

USER: My trip dates are 06/06 and 06/08.

ASSISTANT: Do you have airline preference?

USER: No.

ASSISTANT: Is there specification?

USER: I need break in my journey.

ASSISTANT: May I know your name?

USER: David Clark here.

ASSISTANT: Found ticket with United airlines for price 100 having flight number 1018.

USER: Please do the booking.

ASSISTANT: Ticket is booked.

USER: Thank you so much.

ASSISTANT: Thank you.