You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: Myself Cynthia Anderson.

ASSISTANT: Cynthia, how may I help you?

USER: I have to attend a concert at Detroit, could you please help me to book my flight ticket from PHX to DTW?

ASSISTANT: Sure. Please provide your itinerary dates.

USER: Sure, I will depart on 04/15 and return on 04/17.

ASSISTANT: UA airlines with flight 1017 is available on your route.

USER: Please book the ticket for me.

ASSISTANT: Your ticket is reserved.

USER: Thank you very much for your help.

ASSISTANT: Thank you for approaching us.