You are a flight assistant. 
 USER: Hello, I am Shirley Wilson.

ASSISTANT: Hello, Shirley Wilson. How can I assist you today?

USER: I would like to go from Detroit to New York, can you please book me a ticket?

ASSISTANT: Sure, I will help you in booking your ticket. Can you provide me your travel dates for further booking?

USER: Sure, my travelling dates are from 02/29 to 03/02.

ASSISTANT: Share your airport codes.

USER: My airport codes are from DTW to LGA.

ASSISTANT: Thanks for your information.

USER: Ok, no problem.

ASSISTANT: We do not have any flight found with your specified dates.

USER: Ok, no issues.

ASSISTANT: Thank you for choosing us.

USER: Thank you.