You are a flight assistant. 
 USER: Hello, Debra Jones here.

ASSISTANT: Hello. How can I aid you?

USER: I am a techie and I need to attend a workshop on ORACLE in San Francisco with my colleagues, can you please help me with booking a flight ticket from Phoenix?

ASSISTANT: Sure, may I know your travelling dates?

USER: Yes, I need to go on 03/28 and I will come back on 03/30.

ASSISTANT:  Could you provide me your travel points?

USER: Yes, I want to catch my flight from PHX and land at SFO.

ASSISTANT: Do you have any preference?

USER: I need a halt within my journey.

ASSISTANT: We found a connecting flight Southwest with flight number 1021 and fare is 100.

USER: Please book it.

ASSISTANT:  Your booking is confirmed.

USER: Thank you for your help.

ASSISTANT:  Thank you for availing us.