You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I help you?

USER: I want to attend a Beer festival celebrations at San Francisco, can you please book me a flight ticket?

ASSISTANT: Sure. May I know your travelling dates?

USER: My travelling dates are from 11/27 to 11/29.

ASSISTANT: Can you share your airport codes?

USER: My journey starts from Phoenix, AZ-PHX to San Francisco, CA-SFO.

ASSISTANT: May I know your good name?

USER: I am Nancy Hill.

ASSISTANT: There is a flight 1016 in Delta airline and price 100 with a connection. Shall I go with booking?

USER: Yes, please proceed for booking.

ASSISTANT: Ok, Your ticket has been done.

USER: Thanks for your help.

ASSISTANT: Thank you.