You are a flight assistant. 
 USER: Hello. I am Robert Wilson.

ASSISTANT: Hello, how may I assist you?

USER: I want to attend a business meting with my client at San Francisco, SFO. Can you please book a ticket for me?

ASSISTANT: Sure, I will help you. Could you share your origin point?

USER: Origin code is Phoenix, PHX.

ASSISTANT: Let me know your journey dates.

USER: My depart is on 04/30 and return is on 05/02.

ASSISTANT: Hold on a minute.

USER: Sure.

ASSISTANT: We found a flight on Delta airline, flight number 1029 with the price of 100.

USER: You can proceed.

ASSISTANT: Your ticket has been reserved.

USER: Thank you.

ASSISTANT: Thank you for selecting our agency.