You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Dennis Garcia here.

ASSISTANT: What can I do for you Dennis?

USER: I have a seminar in Phoenix.Can you please help me for booking a ticket?

ASSISTANT: Yes, I can help you with that. Please provide the departure and arrival dates?

USER: My departure date is 05/22 and return date is 05/24.

ASSISTANT: Ok Dennis, may I know your airport codes?

USER: My airport codes are from AZ-PHX to AZ-PHX. Make sure my connections limit is 1.

ASSISTANT: Flight 1001 is the only flight available with 1 connection, may I confirm you ticket?

USER: Please proceed for booking.

ASSISTANT: Ok Dennis, your ticket is booked with UA airlines. Have a nice journey.

USER: Thank you for helping me.

ASSISTANT: Welcome.