You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you?

USER: I am Ryan Walker, I want to visit to Phoenix, PHX from Seattle, SEA. Can you book a ticket?

ASSISTANT: Sure, could you provide  me your travel dates?

USER: Travelling dates are on 05/06 and 05/08.

ASSISTANT:  Do you have any preference?

USER: I need a single halt in between journey.

ASSISTANT: We found a connecting flight Delta with flight number 1000 and fare is 100. Shall I proceed?

USER: You can book it.

ASSISTANT: Your booking is confirmed.

USER: Thank you.

ASSISTANT:  Thank you for availing us.