You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I serve you?

USER: I would like to visit Desert Botanical Garden at Phoenix, AZ - PHX. Can you book a flight ticket from Oakland, CA - OAK?

ASSISTANT: Sure, we are here to book your ticket. Let me know your journey dates?

USER: My journey dates are departure on 09/28 and return must be 09/30.

ASSISTANT: Do you have price limit?

USER: Price limit must be 5000.

ASSISTANT: We found a flight on Hawaiian airline, flight number of 1007 with 100 fare. Are you okay with this airline?

USER: yes, you can proceed with booking.

ASSISTANT: May I know you name for booking?

USER: Richard Martinez is my name.

ASSISTANT: Your ticket has been booked.

USER: Thanks for booking my ticket.

ASSISTANT: Thank you for approaching our agency.