You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I help you?

USER: Can you book a ticket for me with my name Elizabeth Green?

ASSISTANT: Sure, may I know airport codes?

USER: Thank you, my preferable locations are from PHX to DTW.

ASSISTANT: May I know your trip dates?

USER: Sure, my planned dates are from 11/29 and 12/01.

ASSISTANT: There is a flight for you with 1 connection. Shall I proceed?

USER: Please proceed.

ASSISTANT: Your ticker is booked.

USER: Thanks for your response and great service.

ASSISTANT: Most welcome.