You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I guide you?

USER: Donald Campbell here.

ASSISTANT: Ok Donald.

USER: I want to attend a Seminar in Phoenix. Can you please help me for booking the flight ticket?

ASSISTANT: Sure, can I know your preferable dates?

USER: My travelling dates are from 02/11 to 02/13.

ASSISTANT: Ok, can I know your airport codes?

USER: My airport codes are from DFW to PHX.

ASSISTANT: I found a flight 1009 of Hawaiian airlines matches with your preferences, can I proceed?

USER: Make sure my connections limit is 1.

ASSISTANT: Your ticket is booked.

USER: Thanks for helping me.

ASSISTANT: Thank you, have a good day.