You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you today?

USER:  As I am a scientist, I want to attend science festival with my students at New York. Can you help me to book a ticket from DTW to LGA?

ASSISTANT: Sure, will you mention your travelling dates please?

USER: My trip dates are 02/28 and 03/01.

ASSISTANT: Please mention your name.

USER: I am Pamela Lewis.

ASSISTANT: Please give me a moment.

USER: Sure.

ASSISTANT: Thanks for waiting, there is no flights found under your preferable details.

USER: No problem, Thanks for the information.

ASSISTANT: Welcome, have a great day.

USER: Thank you.