You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you today?

USER: I would like to travel from MSP to LGA as a holiday trip.

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

USER: My journey dates are 05/14 and 05/16.

ASSISTANT: Do you have any specifications?

USER: Return time should be morning.

ASSISTANT: Please provide your name.

USER: Margaret Thompson here.

ASSISTANT: Do you have any other preferences?

USER: I need break in my journey and I need economy class.

ASSISTANT: Please give me a moment.

USER: Ok.

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

USER: No problem, Thanks for the information.

ASSISTANT: Welcome, have a great day.