You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Elizabeth Collins.

ASSISTANT: How may I guide you?

USER: I have to attend a summit organised by social workers in Phoenix regarding child welfare. So please help me with flight ticket booking from San Francisco.

ASSISTANT: Sound's good, can I have your airport codes please?

USER: Sure, I would like to travel from SFO to PHX.

ASSISTANT: May I know your journey dates?

USER: Sure, I have planned my travel dates as 06/30 and 07/02.

ASSISTANT: Please wait a moment.

USER: Sure, take your time.

ASSISTANT: I found a flight for you in AA airlines with price 100. Can I book your ticket?

USER: That is fine, please proceed with booking.

ASSISTANT: Ok, your booking is confirmed with flight number 1011.

USER: Thank you for your help.

ASSISTANT: Thank you for approaching us.