You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you today?

USER: Can you help me in booking a flight ticket from MSP to EWR?

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

USER: I want to travel on 06/15, and return on 06/17.

ASSISTANT: Do you have any specifications?

USER: I prefer for a normal cost airline.

ASSISTANT: Do you have any preferences about class?

USER: No.

ASSISTANT: Please give me a moment.

USER: Make sure, I need a connecting flight.

ASSISTANT: Please provide your name.

USER: I am Gregory Adams.

ASSISTANT: There are no flights found under your preferable details.

USER: Ok, no problem. Thanks for the information.

ASSISTANT: Welcome, have a great day.