You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you? May I know your name?

USER: I'm Robert Thomas want to attend my great grand father's funeral in Dallas & Fort Worth, can you book a ticket from PHX to DFW?

ASSISTANT: Sure. To proceed further, please provide the dates?

USER: Sure, my travel dates are 04/23 and 04/25.

ASSISTANT: We do have a flight, with price 100 and one connection. UA airlines, 1028 flight number, Can I proceed to book the ticket?

USER: Yes, proceed.

ASSISTANT: Sure. Your ticket is confirmed.

USER: Thank you.

ASSISTANT: Thank you have a happy journey.